TU4348B - Television GPX - Free user manual and instructions

Product Type	Television (LED TV)
Brand	GPX
Model	TU4348B
Screen Size	43 inches
Display Type	LED
Resolution	1920 x 1080 (Full HD)
Aspect Ratio	16:9
Brightness	250 cd/m²
Contrast Ratio	3000:1
Refresh Rate	60 Hz
Power Consumption	75W (typical)
Standby Power	< 1W
Input Voltage	100-240V AC, 50/60Hz
Connectivity	2x HDMI, 1x USB, 1x VGA, 1x Composite, 1x Coaxial, 1x Headphone
Audio Output	2 x 8W speakers
Weight (without stand)	7.5 kg
Dimensions (W x H x D) without stand	970 x 565 x 85 mm
Stand Dimensions	770 x 200 mm
Remote Control	Included
Wall Mountable	VESA 200 x 200 mm
Energy Class	A (estimated)
Warranty	1 year
Included Accessories	Remote, User Manual, Power Cord
Additional Features	Sleep Timer, Channel Memory, Parental Lock
Maintenance	Clean with soft dry cloth; avoid liquid cleaners

Frequently Asked Questions - TU4348B GPX

How do I connect my TV to a cable box?

Use an HDMI cable to connect the cable box to one of the TV's HDMI ports. Then select the corresponding input source using the Source button on the remote.

How do I perform a channel scan?

Press the Menu button, go to Channel or Setup, select Auto Scan, and choose Air or Cable as needed. The TV will automatically find and store available channels.

Why is there no sound?

Check if the volume is muted or turned down. Verify that the audio cable is connected properly if using external speakers. Also ensure the correct audio output setting is selected in the menu.

How do I clean the screen?

Turn off the TV and unplug it. Use a soft, dry microfiber cloth to gently wipe the screen. Do not apply liquid directly; if needed, dampen the cloth slightly with water. Avoid abrasive cleaners or paper towels.

How do I mount the TV on a wall?

The TV supports VESA 200x200 mm wall mounts. Use a compatible wall bracket and follow the mount's installation instructions. Ensure the wall can support the TV's weight (approx. 7.5 kg without stand).

How do I reset the TV to factory settings?

Press Menu, navigate to Settings or System, select Reset or Factory Default, and confirm. This will erase all personal settings and channel data.

What do the indicator lights mean?

A solid green/blue light indicates the TV is on. A red light means standby. A blinking light may indicate a remote signal received or a system update in progress.

Can I connect a USB drive?

Yes, plug a USB flash drive into the USB port on the TV. Use the Media button on the remote to access photos, music, and videos. Supported formats include JPEG, MP3, MP4, etc.

How do I adjust picture settings?

Press the Menu button, go to Picture settings. You can adjust Brightness, Contrast, Color, and Sharpness. Select a Picture Mode like Standard, Movie, or Dynamic for optimal viewing.

Is there a sleep timer?

Yes, press the Sleep button on the remote (if available) or go to Settings > Timer > Sleep Timer. Set the desired duration (e.g., 30, 60, 90 minutes) and the TV will turn off automatically.

USER MANUAL TU4348B GPX

Black-and-white photo of a modern flat-screen TV displaying a scenic mountain landscape with layered waves (no text or symbols visible)

43" Ultra HD LED TV

User's Guide for Model TU4348B v2238-01

For the most up-to-date version of this User's Guide, go to www.gpx.com

Safety Instructions & Warnings

WARNING: To reduce the risk of electric shock, do not remove cover (or back). No user-serviceable parts inside. Refer servicing to qualified service personnel.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

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 product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

This symbol indicates that this product incorporates double insulation between hazardous mains voltage and user accessible parts.

Important Safety Instructions

• Read these Instructions.
• Keep these Instructions.
• Heed all Warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with a 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.

- 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. When 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.

- 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.

- Use only with a 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.

FCC Warnings

Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Additional Warnings and Precautions

• CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
• Mains plug is used as disconnect device and it should remain readily operable during intended use. In order to disconnect the apparatus from the mains completely, the mains plug should be disconnected from the mains socket outlet completely.
• CAUTION: Use of controls or adjustments or performance of procedures other than those specified may result in hazardous radiation exposure.
• WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
• WARNING: Do not place this unit directly onto furniture surfaces with any type of soft, porous, or sensitive finish. As with any rubber compound made with oils, the feet could cause marks or staining where the feet reside. We recommend using a protective barrier such as a cloth or a piece of glass between the unit and the surface to reduce the risk of damage and/or staining.
• WARNING: Use of this unit near fluorescent lighting may cause interference regarding use of the remote. If the unit is displaying erratic behavior move away from any fluorescent lighting, as it may be the cause.
• WARNING: Shock hazard - Do Not Open.
• Caution and marking information is located at the rear or bottom of the apparatus.
• WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain, moisture, dripping, or splashing.
• Objects filled with liquids, such as vases, shall not be placed on the apparatus.
• CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
• WARNING: There is a danger of explosion if you attempt to charge standard Alkaline batteries in the unit. Only use rechargeable NiMH batteries.
• Battery shall not be exposed to excessive heat such as sunshine, fire or the like.
• Keep new and used batteries away from children. If the battery compartment does not close securely, stop using the product and keep it away from children.
• If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention.
• Do not mix old and new batteries.
• Completely replace all old batteries with new ones.
• Do not mix alkaline, standard (carbon-zinc), or rechargeable (ni-cad, ni-mh, etc) batteries.
• Batteries should be recycled or disposed of as per state and local guidelines.
• WARNING: This product may contain chemicals known to the State of California to cause birth defects, or other reproductive harm (California Prop 65). Wash hands after handling.
• This product meets and complies with all Federal regulations.

Table of Contents

Setup....5

Specifications

Includes

Connecting the Stand

Power

Remote Batteries

Orientation 6

TV Controls & Inputs

Remote

Connecting Devices to Your TV 8

Connecting Cable/TV Antenna

Connecting HDMI

Connecting Component (YPbPr) Video/Audio

Connecting Devices to Your TV 10

Connecting Composite Audio/Video

Connecting Optical Audio

Connecting a USB Drive

Connecting 3.5mm Audio Output

Settings....14

Auto Scanning for Channels

Parental Controls (V-Chip)

Setting Favorites

Viewing Favorites

Setting the Clock

Mounting to a Wall 15

VESA Specifications

Customer Support....16

Contact Information

Warranty

International Support

Specifications

• 4K High Definition Resolution
• 2160p Ultra HD
• Display supports: 720p, 1080i, 1080p, 4K
• Built-in stereo speakers
- Inputs: RF, 4x HDMI (1 with Audio Return Channel), Component/Composite Video, RCA Stereo Audio
• Outputs: Optical Audio, 3.5mm Audio
- USB port: supports MP3 and JPEG files (video content not supported)

Includes

• Remote control and 2 AAA batteries
• Removable stand
  • 3.5mm to RCA audio adapter
• User's Guide

Connecting the Stand

When placing the TV on a flat surface, be careful not to push, scratch, or otherwise damage the front of the TV and screen. We recommend covering the surface with a blanket or towel first. Use a screwdriver to tighten the screws by hand, using a power drill could damage the TV stand.

Power

AC power input: plug the AC power cord into a standard wall outlet.

Remote Batteries

Requires 2 AAA-size batteries (included).

Technical line drawing of a front view of a device with internal components and wiring (no text or symbols)

Diagram showing a battery connected to a cylindrical component with internal components, indicating battery assembly (no text or symbols)

TV Controls & Inputs

Note: Some pixels may be visible on the screen, appearing as tiny red, green, blue or black spots. This is normal and is not a defect on the TV and does not negatively affect the performance or picture quality.

Remote

Power

Press to power the television off or on.

Display

Press to view the on-screen display.

Aspect

Press to adjust the aspect ratio between WIDE, CINEMA, ZOOM, and NORMAL.

Audio/CC

Press to adjust the current audio settings.

In TV mode, press to turn closed captioning off or on.

Setup

Press to view the television setup menu.

Guide

In TV mode, press to view the on-screen television guide.

Volume ±

Press to adjust the volume.

Picture

Press to adjust the picture between STANDARD, SOFT, USER, and DYNAMIC. The user mode can be customized by accessing Picture Settings in the menu.

Play/Pause

Press to play or pause in Media Mode.

Stop

Press to stop in Media Mode.

Skip Back

Press to skip backward in Media Mode.

Mute

Press to mute the volume.

Freeze

Press to freeze or unfreeze the current frame in TV mode.

Sleep

Press repeatedly to set the sleep timer. After the set time has expired the television will automatically power off.

Number Keypad

AD/TTS

Press to enter the Audio Description settings menu (intended for hearing and visually impaired users).

Favorites

In TV mode, press to view your favorites list.

Prev

In TV mode, press to switch to the previous channel.

Source

Press and use the Arrow/Enter buttons to adjust the source.

Arrows/Enter

Press to make selections in the on screen or disc menus.

Exit

Press to exit the current on-screen menu.

Sound

Press to adjust the sound between STANDARD, MUSIC, USER, MOVIE, and SPORTS. The user mode can be customized by accessing Sound Settings in the menu.

Channel ±

Press to adjust the television channel.

Skip Forward

Press to skip forward in Media Mode.

Connecting Cable/TV Antenna

Requires a cable/antenna wire (not included).

1. Connect the cable/antenna wire to the input on the television.
2. Press the Source button to switch to TV mode.
3. Press the Setup button to access the setup menu.
4. Press the Arrow (◀ ▶) buttons to highlight the Channel icon and press Enter.
5. Press the Arrow (▲▼) buttons to highlight Air/Cable. Press the Arrow (◀▶) buttons to select AIR or Cable.
6. Press the Arrow (▲▼) buttons to highlight Auto Scan. Press Enter to begin scanning for available channels. Note: initial channel scanning process may take up to 15 minutes.

Connecting HDMI

HDMI offers superior sound and picture quality when compared to other AV connection types, and is the easiest way to connect your media devices to the television.

Use HDMI 2 with Audio Return Channel (ARC) to connect to a compatible audio receiver with a standard HDMI cable, no stereo or optical audio cables will be needed. Note: ARC may not support surround sound (5.1) or other audio with more than two channels (2.0).

Requires a device that supports HDMI and a HDMI cable (not included).

1. Connect the device's HDMI output to an HDMI input on the television.
2. Press the Source button to switch to the connected input HDMI.

Connecting Component (YPbPr) Video/Audio

Requires component video (green/blue/red) and RCA stereo (red/white) cables (not included).

1. Connect the audio output on your media device to the corresponding color coded audio input on the television with stereo RCA cables.
2. Connect the video output on your media device to the corresponding color coded video inputs on the television with a Component Video cable.
3. Power the television on and press the Source button to switch to the connected input YPbPr.

Connecting Cable/TV Antenna- Rear View

Connecting HDMI - Rear View

Connecting Component (YPbPr) Cables - Rear View

Connecting Composite Audio/Video

Requires composite video (yellow) and RCA stereo (red/white) cables (not included).

1. Connect the video output on your media device to the corresponding color coded video inputs on the television with a Composite Video cable.
2. Connect the audio output on your media device to the corresponding color coded audio input on the television with stereo RCA cables.
3. Press the Source button to switch to the connected input AV.

Connecting Optical Audio

Requires a Digital Optical Audio Cable (not included) and an audio receiver with a Digital Optical Input.

1. Connect the Digital Optical Audio Cable from the Optical Output on the television to the Input on the receiver.
2. Set the receiver to accept the Optical Input source from the television.

Please Note:

Home theater audio systems may label the Digital Optical Out source differently, such as "PCM", or "Digital Audio Input". Please consult your system's user manual in order to select the correct input source.

If there is no sound, be sure the Digital Audio Output is set to PCM (under the screen in TV Setup).

Connecting a USB Drive

Note: supports MP3 and JPEG files only, video content not supported.

1. Load a USB thumb drive into a USB Port on the television.
2. Press the Source button to switch to Media mode.
3. Use the Arrow and Enter buttons to select and play content from the connected USB thumb drive.

Connecting Composite Audio/Video- Rear View

Connecting Optical Audio - Rear View

Connecting a USB Drive - Rear View

Connecting 3.5mm Audio Output

Requires a 3.5mm to RCA audio cable (included)

1. Connect a 3.5mm to RCA audio cable to the Audio Output on the television and a RCA audio input on an external stereo system.

IMPORTANT:

The 3.5mm Audio Output sends a fixed audio volume level to any connected audio device.

To adjust the volume you must change it from the connected device.

ADJUSTING THE VOLUME OF THE TV WILL HAVE NO EFFECT.

Connecting 3.5mm Audio Output - Rear View

Auto Scanning for Channels

The Auto Channel Scan must be run before any channels can be viewed on the television. Initial channel scanning process may take up to 15 min.

1. Press the Source button to switch to TV mode.
2. Press the Setup button to access the Setup menu.
3. Press the Arrow (◀ ▶) buttons to highlight the Channel icon, and press the Enter button.
4. Press the Arrow (▲▼) buttons to highlight AIR/Cable, and press (◀▶) to select AIR.
5. Press the Arrow (▲▼) buttons to highlight Auto Scan, and press the Enter button to begin scanning for available channels.

Parental Controls (V-Chip)

1. Press the Source button to switch to TV mode.
2. Press the Setup button.
3. Press the Arrow (◀ ▶) buttons to highlight Lock, and press the Enter button.
4. Enter the default passcode to access the Lock preferences. The default passcode is 0 0 0 0.
5. From this menu, you can lock out specific ratings from the United States rating system or the Canadian rating system by accessing the V-CHIP settings. You can also lock the buttons on the television or lock specific sources from access.

Setting Favorites

1. Press the Source button to switch to TV mode.
2. Press the Setup button to access the setup menu.
3. Press the Arrow (◀ ▶) buttons to highlight the Channel icon. Press the Enter button.
4. Press the Arrow (▲▼) buttons to highlight the Favorites icon. Press the Enter button.
5. Use the Arrow (▲▼) buttons to select the desired channels and then press the Enter button.

Viewing Favorites

1. Press the Source button to switch to TV mode.
2. Press the Favorites button to view a list of your saved favorites.

Setting the Clock

1. Press the Setup button to access the setup menu.
2. Press the Arrow (◀ ▶) buttons to highlight the Time icon, and press the Enter button.
3. Press the Arrow (▲▼) buttons to highlight Time Zone, and press the Arrow (◀▶) buttons to select your current time zone.
4. Press the Arrow(▲▼) buttons to highlight Auto Clock, and press the Arrow(◄►) buttons to turn auto clock on or off. When the correct time zone is set, auto clock will automatically set your clock and date for you.
5. To set the time and date manually, turn Auto Cock off, highlight Clock, and use the Arrow and Enter buttons to manually set the time and date.

Mounting to a Wall

VESA Specifications

• 200mm x 100mm spacing (wth. x ht.)
  • M6 bolt pattern and thread pitch

A 15 to 25mm long bolt is recommended, depending on the thickness of the wall bracket selected.

WE STRONGLY RECOMMEND HAVING THIS TELEVISION MOUNTED PROFESSIONALLY.

Contact Information

Website: www.gpx.com

Email Support: [e-mail]

Email Parts: [e-mail]

Phone Support: 1-888-999-4215

Warranty

For Warranty Information and the most up-to-date version of this User's Guide, go to: www.gpx.com

International Support

To download this User's Guide in English, Spanish, and French, or to get answers to frequently asked questions, visit the support section at: www.gpx.com

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Copyright © 2017 Digital Products International (DPI, Inc.) All other trademarks appearing herein are the property of their respective owners. Specifications are subject to change without notice.