SE421TT - TV Seiki - Free user manual and instructions
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Frequently Asked Questions - SE421TT Seiki
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USER MANUAL SE421TT Seiki
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of un-insulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric to persons.

The exclamation point within an equilateral triangle is interded to alert the user to the presence of important operating and maintenance (servicing) instruction the literature accompanying the appliance.
CAUTION: USE OF ANY CONTROLS, ADJUSTMENTS, OR PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
Refer to service manual for servicing instructions.
Important Safety Instructions
Note:
- Read these instructions.
- Keep these instructions.
3.Heed all warnings. - Follow all instructions.
- Do not use near water.
- Clean only with dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
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Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
-
Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments / accessories specified by the manufacturer.
- Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart / apparatus combination to avoid injury from tip-over.

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Silhouette of a person climbing a ladder inside a circular frame (no text or symbols)- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.
- WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
- Mains plug or appliance coupler is used as the disconnect device, shall be readily operable.
- The apparatus shall be connected to a MAINS socket outlet with a protective earthing connection.
2.PREFACE
Thank you for buying this TV! Please read this manual thoroughly before operating the TV. Make sure the TV was not damaged in transit. Should the TV be damaged, do not install it and contact your dealer. Check that you have all the accessories according to the model.
3.SAFETYPRECAUTIONS

Put the TV on a stable surface.

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Simple line drawing of a monitor with a cross symbol above it (no text or labels)Do not place any material on the TV.

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Minimumdistances 10cm 10cm5cm 20cmDo not use the TV with fixtures other than those provided or suggested by the manufacturer.

Do not block or cover the ventilation openings on the TV. If you have a wall mount, check that it is steady.

Power cord and cables must be properly routed and protected to prevent people from stepping on them and causing the TV to fall.

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Cartoon illustration of a computer monitor with broken-out fragments and lightning bolts (no text or symbols)Keep the TV dry and away from humidity.

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Warning symbol with sun, computer monitor, and warning sign crossed outKeep the TV away from heat sources.

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Diagram showing a computer monitor with arrows indicating light and a hand holding a device, accompanied by a crossed-out 'No' symbol.Unplug the TV before cleaning it. Do not use solvent or liquid to clean the TV.
Only clean the TV with a soft and dry cloth.

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Diagram showing a computer monitor with a lightning bolt symbol crossed out by a 'X' and a warning sign with Chinese characters.In case of troubleshooting, do not use spare parts other than those suggested by the manufacturer. Using inadequate spare parts can lead to electric shocks, short-circuits, fire or other incidents.

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Warning symbol with crossed-out 'S' and exclamation mark, next to a person wearing a maskUnplug the TV during lightning storms or when unused for long periods of time.
4. IN THE CARTON

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Line drawing of a flat-screen computer monitor with a blank screen and base (no text or symbols)LED TV SET

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SEIKIRemote Control

AAA Batteries

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Warranty CardWarranty Card

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USER'S MANUALUSER'S MANUAL

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Quick Connect GuideQuick Connect Guide

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Coiled black cable with two connectors, no visible text or symbolsHDMI cable
5. FRONT/BACK CONNECTIONS OF LED TV
Front View

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INPUT 1 MENU 2 CH▲ 3 CH▼ VOL+ 4 VOL- POWER 5 ON/OFF LED — 7 • —6 IR- Press "INPUT" to select the input source.
- Press "MENU" to bring up the main menu on the screen.
- Press "CH▲" or "CH▼" to scan through channels.
- Press "VOL+" or "VOL-" to increase or decrease the volume.
- Press "POWER" button to turn the TV on or off.
- REMOTE SENSOR: infrared sensor for the remote control.
- POWER INDICATOR: Blue when TV is powered on. Red when TV is powered off. No color when power switch is turned off.
Back View and Control Connections

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1. COAX:Connect the COAX receiver. 2. RF IN: Connect the antenna. 3. VGA (PC): Connect the PC-RGB output jack of PC. 4. PC AUDIO: Connect the Audio output jack of PC. 5. HDMI1/HDMI2/HDMI3: Connect the HDMI output jack of DVD. 6. USB SERVICE: USB Port for Factory Use Only. 7. L-OUT/R-OUT: For VIDEO and YPbPr audio out. 8. VIDEO: Connect the Video input jack of DVD or VCR. 9. L/R: For VIDEO and YPbPr audio . 10. YPbPr: Connect the YPbPr output jack of DVD or VCR.6. TV INSTALLATION DRAWINGS
Power Cord Connection
- Connect the power cord correctly as shown.
- Press the POWER switch of your LED TV to switch on the LED TV. The power indicator on the front panel lights up in green.

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Top-down schematic of an electronic device showing internal components and wiring (no text or labels)Antenna Connection
To ensure good picture and sound, TV antenna system needs to be installed. The antenna system as shown can be sourced from TV equipment shops, which will provide service for correct installation and connection. After installation, insert the 75-ohm antenna plug into the antenna jack as shown.

flowchart
graph TD
A["VHF ANTENNA"] --> B["OUTDOOR ANTENNA AMPLIFIER"]
C["UHF ANTENNA"] --> D["INDOOR ANTENNA AMPLIFIER"]
B --> E["POWER PLUG OF ANTENNA AMPLIFIER"]
D --> E
E --> F["75 OHM ANTENNA PLUG"]
G["RF IN"] --> F
AVConnection
Connect the VIDEO and AUDIO output jack of the DVD or VCR to the VIDEO jacks on the set using the RCA cable. Match the jack colors: Video is yellow, Audio left is white, and Audio right is red. Select the AV input source using the SOURCE button on the remote control.

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TVBack AUDIO OUT AUDIO IN COMPONENT VideoCable AUDIOcable DVD or VCR Back DVD or VCRYPbPr(Component) Connection
Connect the YPbPr output of the DVD or VCR to the YPbPr input on the set. The picture quality is improved; compared to connecting a regular VCR to the video input. Connect the Audio output of the DVD or VCR to the Audio input jacks on the set using the RCAcable.
Match the jacks colors :Y is green,Pb is blue,Pr is red,Audio left is white and Audio right in red. Select component input source using the SOURCE button on the remote control.

flowchart
graph TD
A["TVBack"] --> B["Audio OUT"]
A --> C["Audio IN"]
A --> D["COMPONENT"]
B --> E["YPbPrcable"]
C --> E
D --> E
E --> F["AUDIO cable"]
F --> G["DVD or VCR Back"]
G --> H["DVD or VCR"]
VGA(PC) Connection
Connect the RGB output of the PC to the VGA(PC) jack on the set. Connect the AUDIO output of The PC to the PCAUDIO jack on the set. Select the RGB input source with using SOURCE button on the remote control.

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TVBack COAXIAL RF IN VGA AUDIO HDMI ① HDMI ② HDMI ③ USB PC-IN AudioCable VGACable AUDIORGB-PCOUTPUTCOAXConnection
Connect to Audio Amplifier device to the COAX output jack on the TV.

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COAXIAL RF IN VGA AUDIO HDMI ① HDMI ② HDMI ③ USB (SERVICE) TVBack COAXCable the audio amplifier back AudioamplifierHDMIConnection
HDMI plug which replaces the HDMI connection allows transfer of all audio/video/control signals through one cable only. These signals are transferred in digital.

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COAXIAL RF IN VGA AUDIO PC-IN HDMI ① HDMI ② HDMI ③ USB (SERVICE) TVBack HDMICable HDMI OUT DVDBackService Port Function
Service port: (For factory uses only.)

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COAXIAL RF IN VGA AUDIO HDMI 1 HDMI 2 HDMI 3 USB PC-IN (SERVICE) TVBack USBCable7. REMOTE CONTROL
Remote control instructions in TV mode

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INPUT 1 2 3 4 5 6 7 8 9 0 - PICTURE SOUND SLEEP DISPLAY VOL+ MUTE CH+ VOL- CH- EXIT MENU OK ENTER CC MTS ASPECT FAV SEIKIPOWER
Turn the LCD TV ON or OFF.
INPUT
Press INPUT to display the OSD input source, press ▲▼ to select an input source, and then press OK to confirm.
NUMBER BUTTONS
Press 0-9 to directly change the TV channel.
Press this button to enter a program number for multiple program channel such as 2-1, etc.

Return to the previous channel viewed.
PICTURE
Select the picture mode
SOUND
Select the sound mode
SLEEP
Set the Sleep Timer.
DISPLAY
Displays the source and channel information.
MENU
Displays the main TV menu
EXIT
Exit the main TV menu
MUTE
Press to mute the sound. Press again or press VOL+ to un-mute the TV.
VOL+/VOL-
Press to increase / decrease the sound level.
CH+/CH-
Press to scan through channels.
THUMBSTICK(▲/▼/◄/►/OK)
Allows you to navigate the on-screen menus and adjust the system settings to your preference.
cc
Press to set the closed caption.
MTS
Press to adjust between available audio channel.
ASPECT
Press to select Aspect Ratio.
FAV
Press to display the TV favourite program list.
Remote control setup
- Open the cover.
- Uses three A size batteries. When inserting the batteries, make sure correct polarities "+" and "-" marks on the batteries line up correctly with compartment markings.
- Replace the battery cover.
To prevent battery leakage which may result in bodily injury or damage to the remote:
- Install all batteries correctly, and as marked on the remote control.
- Do not mix batteries:(OLD and NEW or CARBON and ALKALINE, etc) Remove batteries when the remote is not used for a long period of time.

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Two black rectangular devices with internal components, one showing a battery and the other a separate external housing (no text or symbols visible)8. Menu Operation
SETUPWIZARD
SelectLanguage
Select the language you want.

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SelectLanguage Welcome to the SEIKI HDTV Setup Wizard. Follow this guide to help setup your HDTV for scanning channels or accessing your external devices for Antenna, Sel-top Box, Blu-ray, DVD, Games and other player. Use the up and down arrows on your remote control TV keypad to select the language of screen menu and message English Enter French Enter Spanish Enter :Move ENTER :Press to EnterSelect Time Zone

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Timezone Use the left and right arrows on your remote control to select your local time zone . Timezone Eastern Next MENU :Return :Move :Change SettingPower On Mode

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PowerOnMode Home optimizes the standard video setting for ENERGY STAR@qualification. Retail Mode optimizes the video setting for use on a retail showroom floor or demo environment. Use the up/down key arrows on you remote control or TV keypad to select power on mode. Home Mode(Energy Saving) Retail Mode MENU :Return :Move ENTER :PresstoEnterSelect Input Source

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Select your Connection devices... Connect to Game, Blu-Ray, DVD, or other player Antenna or coaxial cable input Back MENU :Return :Move ENTER :Press to EnterSelect the Game, Blu-Ray, DVD, or other player.

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SOURCE LIST TV AV YPbPr HDMI1 HDMI2 HDMI3 PC Page 1/2 :Select :Page ENTER :Press to EnterSelect the TV (or the Antenna or coaxial cable input).

flowchart
graph TD
A["Scanning Channel Program\nUse the Up or Down key arrows on your remote control or TV keypad to select the channel scan type.\nAntenna\nCable\nBack"] --> B["AUTO CHANNEL SEARCH - Air\nNow Searching... Please Wait\nReturn\nAnalog Channels Found: 0\nDigital Channels Found: 0\n25%"]
B --> C["Scanning Channel Program\nUse the Up or Down key arrows on your remote control or TV keypad to select the channel scan type.\nAntenna\nCable\nBack"] --> D["AUTO CHANNEL SEARCH - Cable\nNow Searching... Please Wait\nReturn\nAnalog Channels Found: 0\nDigital Channels Found: 0\n25%"]
SELECT INPUT SOURCE

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Source Select TV AV YPbPr HDMI1 HDMI2 HDMI3 PC- Press INPUT button to display the input source list.
- Press ▼/▲ button to select the input source you want to watch.
- Press OK button to enter the selected source.
BASIC OPERATION

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PICTURE SOUND CHANNEL PARENTAL SETUP OTHERS- Press MENU button to display the MAIN OSD MENU.
- Press ◀/▶ button to select the MENU you want.
- Press OK button to enter the sub menu.
- Press ▼/▲ button to select the option and then press ◀/▶ to adjust the value in the sub menu.
- You can press MENU button to go back to the upper menu or EXIT button to close the OSD.
PICTUREMENU

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PICTURE SEIKI PictureSettings ScreenSize Wide PCSettings Color Temperature Normal Advanced Picture Settings MENU :Return :Move ENTER / Go to Next MenuPictureSettings
- Press ENTER when the Picture Settings item is highlighted. Then you will go to the sub-menu as following.
- Press ▼/▲ to select the desired menu item. Press ENTER to proceed if necessary.
- Press ◀/▶ to the desired level.
- When you have changed the settings, you can exit from the menu by pressing MENU.

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PICTURESETTINGS SEIKI Picture Mode User Brightness Contrast Color Tint Sharpness MENU :Return :Move ENTER :Go to Next MenuPictureMode
Press ▼/▲ button to select Picture Mode, then press ◀/▶ button to adjust. Only in the User mode, the detail options as following can be adjusted. Available picture mode: Dynamic, Standard, Movie User.
Brightness
Press ▼/▲ button to select Brightness, then press ◀/▶ button to adjust.
Contrast
Press ▼/▲ button to select Contrast, then press ◀/▶ button to adjust.

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Brightness 25 Contrast 25Color
Press ▼/▲ button to select Color, then press ◀/▶ button to adjust.
Sharpness
Press ▼/▲ button to select Sharpness, then press ◀/▶ button to adjust.
Tint
Press ▼/▲ button to select Tint, then press ◀/▶ button to adjust.

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Color 27
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Sharpness 27
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Tint 27ScreenSettings
ScreenSize
Press ▼/▲ button to select Screen Size, then press ◀/▶ button to adjust. Available Screen Size: Standard, Wide, Wide Zoom, Zoom.
ColorTemperature
Press ENTER when the Color Temperature item is highlighted. Then press ◀/▶ button to adjust. Available color temperature: Normal, Warm, Cool.
ColorTemperature Warm
Advanced Picture Settings

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ADVANCED PICTURE SETTINGS Dynamic Contrast Off Film Mode Off Noise Reduction Off MPEG Noise Reduction OffDynamicContrast
Press▼/▲button to select the ◀/► button to adjust. It can adjust the contrast corresponding to the input signal in order to improve the picture quality displayed. Available Mode: On/Off.
FilmMode
Press ▼/▲ button to select the item Film Mode, then press ◀/▶ button to adjust. It handles 3:2 pull down and 2:2 pull down. Available Film Mode: On/Off.
NoiseReduction
Press ▼/▲ button to select the item Noise Reduction, then press ◀/▶ button to adjust. Available Noise Reduction: Off, Low, Medium, High.
MPEG Noise Reduction
Press ▼/▲ button to select the item MPEG Noise Reduction, then press ◀/▶ button to adjust. It can improve the quality of the pictures by reducing the block noise. Available MPEG Noise Reduction: Off, Low, Medium, High.
DynamicContrast Off
FilmMode Off
NoiseReduction Off
MPEGNoiseReduction Off
SOUND MENU

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SOUND SEIKI Sound Settings ▶▶ Surround Mode AVL Analog Sound Digital Sound Digital Audio Output Equalizer Settings Stereo English PCM MENU :Return :Move ENTER / ▶ :Go to Next MenuSound Settings
- Press ENTER when the Sound Settings item is high lighted. Then you will go to the sub-menu as following.
- Press ▼/▲ to select the desired menu item. Press ENTER to proceed if necessary.
- Press ◀/▶ to the desired level.
- When you have changed the settings, you can exit from the menu by pressing MENU.

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SOUNDSETTING Sound Mode User Bass Treble Balance MENU:Return Move ENTER:Change SettingSoundMode
Press ▼/▲button to select the item Sound Mode, then press ◀/▶ button to adjust. Only in the User mode, the detail optionsas following can be adjusted. Available Sound Mode: User, Dynamic, Standard, Soft.
Bass
Press ▼/▲ button to select the item Bass, then press ◀/▶ button to adjust.
Treble
Press ▼/▲ button to select the item Treble, then press ◀/▶ button to adjust.
Balance
Press ▼/▲ button to select the item Balance, then press ◀/▶ button to adjust.

flowchart
graph TD
A["Bass\n7"] --> B["Treble\n7"]
B --> C["Balance\n7"]
SurroundMode
Press ▼/▲ button to select the item Surround Mode, then press OK button to adjust. It can set the picture to fit the screen automatically. When the Auto Wide is selected, the symbol will show as following:
SurroundMode

AVL
Press ▼/▲ button to select the item AVL, then press ◀/▶ button to select ON or OFF. Auto Volume Level can set the volume automatically adjust corresponding to the input audio.
AnalogSound
Press ▼/▲ button to select the item Preferred Analog Sound, then press ◀/▶ button to select the prefer audio when switching to an analog channel. Available Analog Sound: Stereo, Mono,SAP.
DigitalSound
Press ▼/▲ button to select the item Preferred Digital Sound, then press ◀/▶ button to select the prefer audio when switching to a digital channel. Available Digital Sound: English, French, Spanish.
Digital Audio Output
Press ▼/▲ button to select the item Digital Audio Output, then press ◀/▶ button to select the desired digital audio output. Available digital audio output: PCM, Raw, Off.
Equalizer Settings

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EQUALIZER SETTINGS Mode Off -2 -1 2 3 1 0 -1 100 250 500 1K2K 4K 10K MENU :Return :Move :Change SettingEqualizerMode
Press ▼/▲ button to select the item Equalizer Mode, then press ◀/▶ button to select the desired mode. Available Equalizer Mode: Off, Rock, Pop, Jazz, User.
CHANNEL MENU
Note: This menu is only shown when the input source is TV.

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CHANNEL SEIKI Channel List Favorite List Channel Setting Signal Type Air Auto Channel Search Enter MENU :Return :Move ENTER / Go to Next MenuChannelList
Press ▼/▲ button to select Channel List, then press OK button to scan the Channel List. If you select the option "In Channel List" On, the channel label will display in the list.

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ChannelList Page1/1 A4 A11 A14 A63 MENU:Return :Move:Select:Page ENTERFavoriteList
Press ▼/▲ button to select Favorite List, then press OK button to scan the Favorite Channel List.

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FAVORITELIST Page1/1 No Favorite Channels Present Please Perform Favorite Channel Add First MENU:Return Move:Select:Page ENTERChannelSetting
Press ▼/▲ button to select Manual Channel Setting, then press OK button to set the value in the submenu.

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CHANNELSETTING ChannelSkipFavoriteLabel A4 □ □ A11 □ □ A14 □ □ A63 □ □ MENU:Return Cursor/Page:SelectSignal Type
Press ▼/▲ button to select Signal Type, then press ◀/▶ button to select the type you want to set. There are two selections: Air and Cable.
Auto Channel Search
Press ▼/▲ button to select Auto Channel Search, then press OK button to search channel. A Channel Search Menu will appear as below.

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AUTO CHANNEL SEARCH-Air Now Searching...Please Wait... Return Analog Channels Found: 0 Digital Channels Found: 0 ENTER :Stop Auto Channel Search MENU :SkipPARENTAL CONTROL

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PARENTAL CONTROL SEIKI Lock Parental Control V-CHIP Change Password Keypad Source Lock MENU :Return 0~9 :Enter password

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PARENTAL CONTROL SEIKI Lock Parental Control V-CHIP Change Password Keypad Source Lock MENU :Return DIGITAL :Go to Next MenuInput password to enter, default password is "0000".
V-CHIP
Press ▼/▲ button to select V-CHIP, then press OK button to adjust. A sub menu will appear as below.

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V-CHIP USV-Chip CanadaV-Chip Block UnRated Show DownloadableRating Clear Downloadable Date MENU :Return Move ENTER / Go to Next MenuUSV-CHIP
Press ▼/▲ button to select US V-CHIP, then press OK button to adjust. A sub menu will appear as below.

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USA MovieRating TVRating MENU :Return Move :MoveMovieRating
Press ▼/▲ button to select Movie Rating, then press OK button to adjust. A sub menu will appear as below.

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Movie Rating G PG PG-13 R NC-17 XPress ▼/▲ button to select Rating, then press OK button to lock.
TVRating
Press ▼/▲ button to select TV Rating, then press OK button to adjust. A sub menu will appear as below.

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TVRating D L S V FV TV-Y TV-Y7 TV-G TV-PG TV-14 TV-MAPress ▼/▲/◄/► button to select Rating, then press OK button to lock.
CANADAV-CHIP
Press ▼/▲ button to select US V-CHIP, then press OK button to adjust. A sub menu will appear as below.

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CANADA EnglishRating FrenchRating MENU :Return Move
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English Rating C C8+ G PG 14+ 18+ MENU :Return :Move ENTER :Lock/Unlock
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French Rating G 8ans+ 13ans+ 16ans+ 18ans+ MENU:Return :Move ENTER:Lock/UnlockThe operation of CANADA V-CHIP is the same as the operation of US V-CHIP.
Information
Motion Picture Association of America (MPAA) Rating System
| Grade | Meaning | |
| G | General Audiences | Content not offensive to most viewers |
| PG | Parental Guidance Suggested | Content is such that parents may not want their children to view the program |
| PG-13 | Parental Guidance Cautioned | Program is inappropriate for preteens, with a greater degree of offensive material suggested than a PG rated program |
| R | Restricted viewing | Not for children under 17, Strong element of sex and/or violence |
| NC-17 | No Children Under age 17 | Not for children under 17 under any circumstances. Strong sexual content |
| X | Hard Core Films | Same as NC-17 rating |
| No Rating | No Rating | MPAA Not Rated |
TV Parental Guideline Rating System
| Grade | Meaning | |
| TV-Y | Young Children | Content not offensive to most viewers |
| TV-Y7 | Children 7 and over | Considered suitable for children over 7, may contain Fantasy Violence Scenes |
| TV-G | Parental Audience | Considered suitable for all audiences; children may watch unattended |
| TV-PG | Parental Guidance | Suggested Unsuitable for younger children, may contain; Suggestive Dialogue, Bad Language, Sex, and Violence Scenes |
| TV-14 | Parents Strongly Cautioned | Unsuitable for children under 14, may contain: Strong Dialogue, Bad Language, Sex, and Violence Scenes |
| TV-MA | Mature Audience Only | Adults only, may contain Strong Dialogue, Bad Language, Sex, and Violent Scenes |
Canadian Rating: Canadian English is used throughout all English-speaking Canada (C, C8+, G, PG, 14+, 18+).
Canadian French is used in Quebec (G, 8 ans+, 13 ans+, 16 ans+, 18 ans+)
Note: The V-Chip will automatically block certain categories that are "more restrictive". If you block TV-Y category, then TV-Y7 will be automatically blocked. Similarly, if you block TV-G category, then all the categories in the "young adult" will be blocked (TV-G, TV-PG, TV-14, and TV-MA).
Block UnRated Show
Press ◀/▶ button to select Block UnRated Show, then press OK button to set the rating locked.
DownloadableRating
Press ▼ / ▲ button to select Downloadable Rating, then press OK button to set the rating. If the DTV program doesn't have this rating information, this option will be in gray.
Clear Downloadable Date
Press ▼ / ▲ button to select Clear Downloadable Data, then press OK button to set the rating. Note: The above two operation only valid when playing the downloadable data stream. The operations are the same as US V-CHIP.
CHANGEPASSWORD
Press ▼ / ▲ button to select Change Password, then press OK button to adjust the value.
A Sub Menu Will appear as below. If the password is changed, all of the passwords in the menu will be changed at the same time.

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ChangePassword OldPIN NewPIN Confirm MENU :Return DIGITAL :PasswordSourceLock
Press ▼/▲ button to select Source Lock, then press OK button to enter the sub menu. Press ▼/▲ button to select Source, then press OK button to set the Source Lock. You can't enter the locked source if you set the Source lock.

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Source Lock TV AV YPbPr HDMI1 HDMI2 HDMI3 PC Page1/2 MENU: Return :Move :Page ENTER: On/OffSetupMenu

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SETUP ClosedCaption Menu Language CLOCK OSD Timer SEIKI English 5s MENU :Return :Move ENTER / > :Go to Next MenuClosedCaption
Press ▼/▲ button to select the item Closed Caption, then press ◀/▶ button to adjust.

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CLOSEDCAPTION CaptionDisplay Off Analog Caption Type CC1 Digital Caption Type Service1 Digital CC Preset Custom Digital CC Style MENU:Return Move ENTER:On/OffCaptionDisplay
Press ▼/▲ button to select Caption Display, then press ◀/▶ button to select ON or OFF.
Analog Caption Type
Press ▼/▲ button to select Analog Caption Type, then press ◀/▶ button to select the type.
Available type: CC1, CC2, CC3, CC4, TEXT1, TEXT2, TEXT3, TEXT4.
Digital Caption Type
Press ▼/▲ button to select Digital Caption Type, then press ◀/▶ button to select the type.
Available type: Service1\~6.
Digital CC Preset
Press ▼/▲ button to select Digital CC Preset, then press ◀/▶ button to select Default or Custom.
Digital CC Style
This menu is only shown when the Digital CC Preset is selected Custom.

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DIGITAL CC STYLE CC Size Default CC Font Default CC Opacity Default Text Color Default CC Background Opacity Default CC Background Color Default CLOSECAPTION MENU :Return :Move :Change SettingCCSize
Press ▼/▲ button to select CC Size, then press ◀/▶ button to set. Available Size: Default, Small, Standard, Large.
CCFont
Press ▼/▲ button to select, then press ◀/▶ button to select the Font. Available type: Default, Style0\~7.
CCOpacity
Press ▼/▲ button to select CC Opacity, then press ◀/▶ button to select the Opacity.
Available Opacity: Default, Solid, Flashing, Translucent, Transparent.
TextColor
Press ▼/▲ button to select Text Color, then press ◀/▶ button to select the color.
Available Color: Default, Black, White, Red, Green, Blue, Yellow, Magenta, Cyan.
CC Background Opacity
Press ▼/▲ button to select CC Background Opacity, then press ◀/▶ button to select the Opacity.
Available Opacity: Default, Solid, Flashing, Translucent, Transparent.
CC Background Color
Press ▼/▲ button to select CC Background Color, then press ◀/▶ button to select the Color.
Available Color: Default, Black, White, Red, Green, Blue, Yellow, Magenta, Cyan.
MenuLanguage
Press ▼/▲ button to select the item Menu Language, then press ◀/▶ button to adjust.
Available Language: English, French, Spanish.
Clock
Press ▼/▲ button to select the Clock, then press OK to edit.

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CLOCK Time Zone Alaska Auto Clock Setup Time 2009-10-21 20:00:00 Day Of Week Wed Daylight Saving TimeTimeZone
Press ▼/▲ button to select Timer Zone, then press ◀/▶ button to set. Available Size: Central, Mountain, Pacific, Alaska, Hawaii, Samoa, Newfoundland, Atlantic, Eastern.
AutoClock
Press ▼/▲ button to select Auto Clock, then press ENTER button to set it Enable/Disable. If you set it Enable, it will adjust the time corresponding the DTV time automatically.
SetupTime
Press ▼/▲ button to select Setup Time, then press ◀/▶ button to adjust the time and use the ENTER button to go to the next option.
Day Of Week
This option displays the Day Of Week corresponding to the setup time.
Daylight Saving Time
Press ▼/▲ button to select Daylight Saving Time, then press ◀/▶ button to set. Time Size: 5s, 10s,,20s 30s 40s 50s 60s
OTHERSMENU

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OTHERS BlueBack No Signal Power Off No Operation Power Off AllReset Enter MENU :Return :Move:On/Off SEIKIBlueBack
Press ▼/▲ button to select Blue Background, then press OK button to select when there is no signal, whether set the background in blue or not.
No Signal Power Off
Press▼/▲ button to select No Signal Power Off, then press OK button to select it On or Off. When set it On and there is no signal input by 10 minutes, it will turn off the panel and the LED light turnsamber.
No Operation Power Off
Press ▼/▲ button to select No Operation Power Off, then press OK button to select it On or Off. When set it On and there is no operation input by 3 hours, it will turns off the panel and the LED light turns red.
AllReset
Press ▼/▲ button to select All Reset, then press OK button to execute reset. When you select All Reset item, a dialogue box will appear as following:
Attention! If [All Reset] was executed TV system is reset.
AV/YPbPr/HDMI1/HDMI2/HDMI3/PC
- PICTURE menu and description are the same as that for TV source.
- SOUND menu and description are the same as that for TV.
But the settings for Analog Sound and Digital Sound are invalid in these sources. - PARENTAL menu and description are the same as that for TV V source.
- SETUP menu and description are the same as that for TV source.
But the setting for Closed Caption is invalid in source HDMI. - OTHER menu and description are the same as that for TV source.
6.CHANNEL menu and description are invalid in these sources.
PICTUREMENU

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PICTURE PictureSettings ScreenSize PCSettings Color Temperature Advanced Picture Settings SEIKI Wide Normal MENU :Return :Move ENTER / Go to Next MenuPictureSettings
- Press ENTER when the Picture Settings item is highlighted. Then you will go to the sub-menu as following.
- Press ▼/▲ to select the desired menu item. Press ENTER to proceed if necessary.
- Press ◀/▶ to adjust the item to the desired level.
- When you have changed the settings, you can exit from the menu by pressing MENU.

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PICTURESETTINGS Picture Mode User Brightness Contrast Color Tint Sharpness MENU :Return :Move ENTER :Go to Next MenuPictureMode
Press ▼/▲ button to select Picture Mode, then press ◀/▶ button to adjust. Available picture mode: Dynamic, Standard, Movie, User.
Brightness
Press ▼/▲ button to select Brightness, then press ◀/▶ button to adjust.

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Brightness 25Contrast
Press ▼/▲ button to select Contrast, then press ◀/▶ button to adjust.

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Contrast 25Color
Press ▼/▲ button to select Color, then press ◀/▶ button to adjust.

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Color 27Sharpness
Press ▼/▲ button to select Sharpness, then press ◀/▶ button to adjust.

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Sharpness 27ScreenSize
- Press ENTER when the Screen Size item is highlighted. Then you will go to the sub-menu as following.
- Press ▼/▲ to select the desired menu item. Press ENTER to proceed if necessary.
- Press ◀/▶ to adjust the item to the desired level.
- When you have changed the size, you can exit from the menu by pressing MENU.

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PICTURE PictureSettings ScreenSize Wide PCSettings Color Temperature Normal Advanced Picture Settings SEIKI MENU:Return :Move ENTER / Go to Next MenuScreenSize
Press ▼/▲ button to select Screen Size, then press ◀/▶ button to adjust. Available Screen Size: Standard, Dot By Dot, Wide.
PCSetting
- Press ENTER when the PC Settings item is highlighted. Then you will go the sub-menu as following.
- Press ▼/▲to select the desired menu item. Press ENTER to proceed if necessary.
- Press ◀/▶ to adjust the item to the desired level.
- When you have changed the settings, you can exit from the menu by pressing MENU.

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PCSETTINGS Auto Adjust Enter HorizontalPosition VerticalPosition Clock Phase ResetEnter MENU :Return Move ENTER :Press To EnterAutoAdjust
Press ▼/▲ button to select Auto Adjust, then press OK button to start auto adjusting.
HorizontalPosition
Press ▼/▲ button to select Horizontal Position, then press ◀/▶ button to adjust.
HorizontalPosition

VerticalPosition
Press ▼/▲ button to select Vertical Position, then press ◀/▶ button toadjust.
VerticalPosition

Clock
Press ▼/▲ button to select Clock, then press ◀/▶ button toadjust.

Phase
Press ▼/▲ button to select Phase, then press ◀/▶ button to adjust.

Reset
Press ▼/▲ button to select Reset, then press OK button to reset the options above.
- SOUND menu and description are the same as that for TV. but the settings for Analog Sound and Digital Sound are invalid in PC source.
- PARENTAL menu and descriptions are the same as that for TV source.
- SETUP menu and description are the same as that for TV source. But the setting for Closed Caption is invalid in PC source.
- OTHER menu and description are the same as that for TV source.
5.CHANNEL menu and description are invalid in PC source.
Note: The operation and description of the hot key is programmable on your remotecontrol.
9. Troubleshooting
Please check if you can solve problems by troubleshooting yourself.
| Troubleshooting | Control |
| Nosignal | Please check that all cables are correctly plugged in. |
| Nocolorshades | Adjust the contrast, the color and the brightness. |
| Stain on the screen | May be the result from a lighting signal from car, motor, neon light and other electrical devices or appliances. |
| Double or multiple displayimage | May be the result of an electrical wave disturb from other TV, Computer and Game machine or Radio. |
| Snow on the screen | The cables of the antenna are not correctly plugged in. |
| Theremotecontrol doesnotwork | Please check the batteries order and alignment. Check that the IR of the remote control is not hidden by something. |
| "Zip" made noise on TVcover | Even if the display image is correct, the noise may come from an unsteady fixation of the panel. |
| Nosound | Make sure that you have not press the MUTE button of the panel or of the remote control. |
10. SPECIFICATIONS
This manual is only for your reference, any change to the design and specification will not be advised.
| Screen Size | 42 Inch | |
| Display Type | TFT LED | |
| Resolution(Pixel) | 1920 X 1080 | |
| Aspect Ratio | 16:9 | |
| Power Supply | AC100-240V,50/60Hz | |
| Power Consumption | 120W | |
| TV System | ATSC/NTSC | |
| Video Input Format | PAL/NTSC | |
| Audio Output Power | L/R 2X8W | |
| SUPPORT | ANTENNA | YES |
| AV-IN | YES | |
| YPbPr - IN | YES | |
| HDMI - IN | YES | |
| VGA(PC) - IN | YES | |
| VGA(PC) AUDIO - IN | YES | |
| SCART - IN | -- | |
| SCART - OUT | -- | |
| EARPHONE - OUT | -- | |
| S-VIDEO - IN | -- | |
| COAXIAL - OUT | YES | |
| COMMON INTERFACE | -- | |
| USB | Service Port Only | |
| IPOD | -- | |
| DVD | Disc Physical Format | -- |
| DVD Video Output Format | -- | |
| Dimensions | W/Stand(LxWxH-mm) | 1022*56*631 mm |
| W/O Stand(LxWxH-mm) | 1302*325*855 mm | |
| Wall-mount | 200*200 VESA(mm) | |
| Wall-mount Screw size | M6*15 | |
| Weight | Net (Kgs) | 15.5 |
| Gross (Kgs) | 17.8 | |
www.seikiworld.com
À écran plat
Téléviseur LED
SE421TT
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Silhouette of a person climbing a ladder inside a circular frame (no text or symbols)natural_image
Simple line drawing of a computer monitor with a cross symbol above it (no text or labels)natural_image
Cartoon illustration of a computer monitor with lightning bolts and a stack of books (no text or symbols)text_image
Warning symbol with sun, computer monitor, and warning sign crossed outnatural_image
Illustration of a computer monitor with arrows indicating light and a hand holding a device, no text or symbols present.text_image
Diagram showing a computer monitor with a 'X' symbol crossed out, indicating a prohibition or prohibition in the monitor's screen.text_image
Warning symbol with crossed-out 'S' and a computer monitor, indicating no protection or suppression.natural_image
Line drawing of a flat-screen computer monitor with no text or symbols on the screen or sidetext_image
Warranty CardCarte de garantie

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USER'S MANUALMANUEL D'UTILISATION

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Quick Connect GuideGuide de connexion rapide

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Coiled black cable with two connectors (no text or symbols visible)HDMI CÂBLE
5.CONNEXIONS FRONT /ARRIERE DU TELEVISEUR LED
Vue Frontale

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ON/OFF LED — 7 • 6 IR INPUT MENU CH ▲ CH ▼ VOL + VOL - POWERnatural_image
Top-down schematic of a computer monitor layout with connectors and labeled components (no text or symbols)natural_image
Two black remote control units with visible internal battery modules and a separate open device (no text or symbols)8. Menu d'Opération
CONFIGURATIONWIZARD
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SelectLanguage Welcome to the SEIKI HDTV Setup Wizard. Follow this guide to help setup your HDTV for scanning channels or accessing your external devices for Antenna, Set-top Box, Blu-ray, DVD, Games and other player. Use the up and down arrows on your remote control TV keypad to select the language of screen menu and message English Enter French Enter Spanish Enter :Move ENTER :Press to EnterFuseauhoraire

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Timezone Use the left and right arrows on your remote control to select your local time zone . Timezone Eastern Next MENU :Return :Move :Change SettingTENSION

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PowerOnMode Home optimizes the standard video setting for ENERGY STAR@qualification. Retail Mode optimizes the video setting for use on a retail showroom floor or demo environment. Use the up/down key arrows on you remote control or TV keypad to select power on mode. Home Mode(Energy Saving) Retail Mode MENU :Return :Move ENTER :PresstoEntertext_image
Select your Connection devices... Connect to Game, Blu-Ray, DVD, or other player Antenna or coaxial cable input Back MENU :Return :Move ENTER :Press to Entertext_image
Scanning Channel Program Use the Up or Down key arrows on your remote control or TV keypad to select the channel scan type. Antenna Cable Back MENU :Return :Move ENTER :Press to Enter

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AUTO CHANNEL SEARCH - Air Now Searching... Please Wait Return Analog Channels Found: 0 Digital Channels Found: 0 25% ENTER Stop Auto Channel Search Stop
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Scanning Channel Program Use the Up or Down key arrows on your remote control or TV keypad to select the channel scan type. Antenna Cable Back MENU :Return :Move ENTER :Press to Enter

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AUTO CHANNEL SEARCH - Cable Now Searching... Please Wait Return Analog Channels Found: 0 Digital Channels Found: 0 25% ENTER Stop Auto Channel Search StopSELECTIONNER LA SOURCE D'ENTREE

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Source Select TV AV YPbPr HDMI1 HDMI2 HDMI3 PCtext_image
PICTURE SOUND CHANNEL PARENTAL SETUP OTHERStext_image
Brightness 25 Contrast 25Couleur
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Sharpness 27
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Tint 27Réglaged'écran
Tailed'Ecran
flowchart
graph TD
A["Bass\n7"] --> B["Treble\n7"]
B --> C["Balance\n7"]
ModeSurround
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CHANNEL SEIKI ChannelList FavoriteList ChannelSetting Signal Type Air Auto Channel Search Enter MENU :Return :Move ENTER / Go to Next MenuListedesChânes
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ChannelList Page1/1 A4 A11 A14 A63 MENU :Return :Move:Select:Page ENTERListe des Favoris
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FAVORITELIST Page1/1 No Favorite Channels Present Please Perform Favorite Channel Add First MENU :Return :Move:Select:Page ENTERRéglage de Chaînes
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MovieRating G PG PG-13 R NC-17 Xtext_image
CANADA EnglishRating FrenchRating MENU :Return Move
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EnglishRating C C8+ G PG 14+ 18+ MENU :Return :Move ENTER :Lock/Unlock
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FrenchRating G 8ans+ 13ans+ 16ans+ 18ans+ MENU :Return :Move ENTER :Lock/Unlocktext_image
ChangePassword OldPIN NewPIN Confirm MENU :Return DIGITAL :PasswordIf[All Reset]was executed TV system is reset.
AV/YPbPr/HDMI1/HDMI2/HDMI3/PC
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PICTURESETTINGS Picture Mode User Brightness Contrast Color Tint Sharpness MENU :Return :Move ENTER :Go to Next MenuModelmage
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| Category | Value | |---|---| | Brightness | 25 | | Contrast | 25 | | Color | 27 | | Sharpness | 27 |Réglaged'Ecran
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Silhouette of a person climbing a ladder inside a circular frame (no text or symbols)natural_image
Simple line drawing of a monitor with a cross symbol above it (no text or labels)natural_image
Cartoon illustration of a computer monitor with lightning bolts and a stack of books (no text or symbols)text_image
Warning symbol with sun, computer monitor, and warning sign crossed outnatural_image
Illustration of a computer monitor with arrows indicating light and a hand holding a device, no text or symbols present.text_image
Diagram showing a computer monitor with a 'X' symbol crossed out, indicating a prohibition or prohibition concept.text_image
Warning symbol with crossed-out 'S' and a person holding a device, indicating no protection or suppression.natural_image
Line drawing of a flat-screen computer monitor with blank screen and base (no text or symbols)LCD TV SET

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OK 1 2 3 4 5 B 6 7 8 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Mando a distancia

Pila AAA
Warranty Card

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USER'S MANUALnatural_image
Coiled black cable with two connectors, no visible text or symbolsBack View and Control Connections

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1. COAX out: Conecta el receptor de coaxial. 2. RF IN: Conecta la antena. 3. VGA(PC): Conecta la toma de salida de PC-RGB de PC. 4. PC AUDIO: Conecta toma de salida de Audio de PC. 5. HDMI1/HDMI2/HDMI3: Conecta la toma de salida de HDMI del DVD. 6. USB SERVICE: Puerto USB para uso en fábrica sólo. 7. L-OUT/R-OUT: Para audio out de video o Ypbpr. 8. VIDEO: Conecta la salida de video de DVD o VCR. 9. L/R: Para audio de video o Ypbpr. 10. YPbPr: Conecta la toma de salida de Ypbpr de DVD o VCR.natural_image
Top-down schematic of an electronic device layout showing CPU, memory, and power connections (no text or labels)Conexión de Antena
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COAXIAL RF IN VGA AUDIO PC-IN HOMI ① HOMI ② HOMI ③ USB (SERVICE) Parte atrás de TV USBCablenatural_image
Two black remote control boxes with internal battery modules and a separate open battery case (no text or symbols visible)8. Operación Menú
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SelectLanguage Welcome to the SEIKI HDTV Setup Wizard. Follow this guide to help setup your HDTV for scanning channels or accessing your external devices for Antenna, Set-top Box, Blu-ray, DVD, Games and other player. Use the up and down arrows on your remote control TV keypad to select the language of screen menu and message English Enter French Enter Spanish Enter :Move ENTER :Press to EnterHusohorario

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Timezone Use the left and right arrows on your remote control to select your local lime zone . Timezone Eastern Next MENU :Return :Move :Change SettingMododeencendido

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PowerOnMode Home optimizes the standard video setting for ENERGY STAR@qualification. Retail Mode optimizes the video setting for use on a retail showroom floor or demo environment. Use the up/down key arrows on you remote control or TV keypad to select power on mode. Home Mode(Energy Saving) Retail Mode MENU :Return :Move ENTER :PresstoEntertext_image
Select your Connection devices... Connect to Game, Blu-Ray, DVD, or other player Antenna or coaxial cable input Back MENU :Return :Move ENTER :Press to Entertext_image
PICTURE SOUND CHANNEL PARENTAL SETUP OTHERStext_image
Brightness 25 Contrast 25Color
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Sharpness 27
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Tint 27flowchart
graph TD
A["Bass\n7"] --> B["Treble\n7"]
B --> C["Balance\n7"]
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CHANNEL SEIKI ChannelList FavoriteList ChannelSetting Signal Type Air Auto Channel Search Enter MENU :Return :Move ENTER / Go to Next MenuListadecanal
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ChannelList Page1/1 A4 A11 A14 A63 MENU :Return :Move:Select:Page ENTERListafavorita
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FAVORITELIST Page1/1 No Favorite Channels Present Please Perform Favorite Channel Add First MENU :Return :Move:Select:Page ENTERtext_image
CANADA EnglishRating FrenchRating MENU :Return Move
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EnglishRating C C8+ G PG 14+ 18+
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FrenchRating G 8ans+ 13ans+ 16ans+ 18ans+ MENU :Return :Move ENTER :Lock/Unlocktext_image
Change Password Old PIN New PIN Confirm MENU: Return DIGITAL: PasswordFuentebloqueda
If[All Reset]was executed TV system is reset.
AV/YPbPr/HDMI1/HDMI2/HDMI3/PC
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PICTURESETTINGS Picture Mode User Brightness Contrast Color Tint Sharpness MENU :Return :Move ENTER :Go to Next MenuMododeimagen
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Brightness 25
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Contrast 25
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Color 27
EasyManual