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USER MANUAL L1721 DGM
L-1721 17"TFT LCD MONITOR

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Illustration of a flat-screen computer monitor with no text or symbols on the screen or stand.User's Manual
English 2
繁體中文 12
简體中文 22
Français 32
Deutsh 42
Italiano ....52
Español 62
Dutch 72
Português 82
Warning :
Read this instruction carefully.
- Keep this equipment from humidity. The equipment shall not be exposed to dripping or splashing.
- The equipment is for indoor use in dry locations.
- The socket-outlet shall be installed near the equipment and shall be easily accessible.
- Operate the equipment only on maximum ambient temperature 40 degreeC, without any cover.
Table of content 2
View of Monitor....3
Unpacking 4
Warning 4
Hardware Installation....5
Menu control button 6
Key introduction 6
Cleaning Notices 7
Precaution 7
Troubleshooting....7
OSD (On-Screen Display) Menu Mode....8-9
Display Mode 10
Specification 11
All Information in this manual may change from time to time without prior notice.
View of Monitor

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Line drawing of a computer monitor with blank screen and stand (no text or symbols)
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Top-down architectural floor plan of a modern room with furniture and structural elements (no text or labels)Unpacking
Our 17" LCD monitor shall be content with these following items. Make sure you get all these set ready, otherwise contact to your dealer or store which you purchased it. At last, feel free to contact us.
| 17” TFT LCD Monitor | ![]() |
| External Univ15 pin D-sub (RGB Analog) input signal cable | ![]() | Power Cord | ![]() |
| External Universal AC Adaptor(100-240V, 50/60Hz) | ![]() | Audio connector | ![]() |
| User's manual | ![]() |
Warning
- Make sure that the system power is turned off.
- Plug the signal cable to the signal connector at the rear of PC.
- Plug adapter output cable to the jack at the rear of LCD monitor and the power cord to the adapter.
- Connect the power cord to power source.
- Turn on the computer and the monitor.
- For the best quality of the performance, we suggest you to set resolution as "Display Mode".
Hardware Installation
Be carefully to your LCD monitor, it's very exquisite but easy to broken. Turn off LCD's and PC's power before you set it up. Follow our installation step by step.
Input

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1 2 3 4【1】PC In: This can be connected with the D-Sub 15 pin signal Cable.
【2】DVI Port : This can be connected with the DVI signal Cable. * DVI function is optional.
【3】LINE in : This can be connected to the audio-out connector of any sound resource.
【4】DC port : This is for connecting the power cable.
Wall mount instruction

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Technical diagram of a mechanical or electrical component with numbered parts labeled ①, ②, and ⑤.
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Technical diagram of a mechanical device with numbered components and directional arrows indicating motion or flow.Power: Turn the LCD power on and off. When the power is on, the light is showing green, stand by will be orange.
OSD Menu: Press the button to OSD menu, menu right adjustment.
Auto Tune: Auto adjust, menu left adjustment.
Decrease < - >: Hot-key of volume adjust ment. Decrease the option value in the OSD menu.
Increase < + >: Switch from DVI operating environment to VGA. Increase the option value in the OSD menu.
Cleaning Notice
- Be gentle to clean the screen.
- Never, ever, using any kind of corrosiveness chemical dissolvent to clean the screen, it may hurt your screen surface.
- We suggest that using a clean camel hair brush or a soft, clean, lint-free cloth to wipe the screen.
- Don't give any pressure directly to the LCD
Precaution
- Do not expose the monitor to direct sunlight or heat.
- Do not spill liquid on the monitor.
- Do not attempt to open the monitor. You may be hurt by electric shock. For service, call your place of purchase.
- Do not use your monitor when magnets or electronic products are operating nearby.
- Do not use harsh chemicals or strong cleaning solvents to clean the monitor screen. Wipe it with clean, soft clothes applied with mild solution.
- Do not place anything on your monitor. Bad ventilation may elevate temperature in the monitor.
- Don't use your fingers to touch the LCD Screen, directly. Fingerprint that contains oil and may be difficult to clear.
Troubleshooting
Make sure that your monitor is properly installed if you have encountered any trouble using this product.
There is no picture on the screen.
Check:
- Power saving mode. Press any key and move the mouse to deactivate the mode.
- Signal cable connector pins. If there are bent or missing pins, consult your place of purchase.
* Characters look too dark or too light
Check:
- Using OSD Menu to adjust the Brightness.
* When your monitor shall be Adjusted?
Check:
- If the resolution of frequency is being changed.
. The Text appears on the screen are unclear.
Check
- Make sure the resolution or refresh rate match with the Display Mode.
OSD (On-Screen Display) Menu Mode
Option select
- Press the OSD button to access menu.
- Using Auto Tune for left adjustment.
- Press OSD again for right adjustment.

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Brightness: Adjust the brightness of the display. BRIGHTNESS - 50° + 640 × 480 H 31·5KHZ V 60·1HZ Main menu brightness adjust
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Contrast : Adjust the difference between light and dark area. CONTRAST 50° - AE 640 × 480 H 31·5KHZ V 60·1HZ Main menu contrast adjust
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Phase : Adjust the phase of pixel clock. PHASE 51% - 640 × 480 H 31·5KHZ V 60·1HZ Main menu phase adjust
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Clock : Adjust the frequency of the pixel. CLOCK 50% - AE - 640 × 480 H 01 5KHZ V 60 1HZ Main menu clock adjust
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Horizontal Position : Adjust the horizontal position of the display. H-POSITION 50° - 640 X 480 H 31·5KHZ V 60·1HZ Main menu H position adjust
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Vertical Position : Adjust the vertical position of display. V-POSITION 50% - 640 × 480 H 31·5KHZ V 60·1HZ Main menu V position adjust
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Reset : Recall the default setting. RESET NO YES 640 × 480 H 31·5KHZ V 50·1HZ Main menu Reset
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Color Temp : Adjust the color Temperature. COLOR TEMPERATURE USER 6500k 9300k 640 × 480 H 31·5KHZ V 50·1HZ Main menu color temp. adjust
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Language : Language support. LANGUAGE ENGLISH FRANÇAIS DEUTSCH ESPAÑOL ITALIANO PORTUGUÈS 简体中文 NEDERLANDS 繁體中文 640 × 480 H 31·SKHZ V 60·1HZ Main menu language adjust
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Miscellaneous : MISCELLANEOUS NO YES 640 × 480 H 31·5KHZ V 60·1HZ
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EXIT : Saving and Leave. EXIT OSD NO YES 640 × 480 H 31·5KHZ V 60·1HZ Main menu EXIT adjustMiscellaneous

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Return : Return to main menu. RETURN NO YES 640 × 480 H 31·4KHZ V 60·0HZ Return
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Horizontal Position : Adjust the horizontal position of the OSD. OSD H-POSITION 50° - 640 × 480 H 31·4KHZ V 60·0HZ OSD H position adjust
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Vertical Position : Adjust the vertical position of the OSD. OSD V-POSITION 50% 640 × 480 H 31·4KHZ V 60·0HZ OSD V position adjust
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OSD Duration : Adjust the timing of the OSD menu. OSD DURATION 100% + 640 × 480 H 31·4KHZ V 60·0HZ OSD duration adjust
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Auto color : Adjust the color automatically. AUTO COLOR NO YES 640 × 480 H 31·4KHZ V 60·0HZ Auto color adjust
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Volume : Adjust of speaker. VOLUME - 50% 640 × 480 H 31·4KHZ V 60·0HZ Menu Volume adjust| Incoming Display Mode | ||
| Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz) | ||
| 640X350 | 31.475 | 70.100 |
| 640X480 | 31.469 | 59.940 |
| 640X480 | 37.500 | 75.000 |
| 720X400 | 31.469 | 70.087 |
| 800X600 | 37.879 | 60.317 |
| 800X600 | 46.875 | 75.000 |
| 1024X768 | 48.363 | 60.004 |
| 1024X768 | 60.023 | 75.029 |
| 1280X1024 | 63.981 | 60.020 |
| 1280X1024 | 79.976 | 75.024 |
- We offer you 10 available modes compatible with Windows.
- If any interference occurs on your screen while you modulating your PC or OSD. It is normal.
- To have Best quality present on the PC, remember to upgrade your video card Driver. We strongly recommend you to choose a Mode listed in the table.
- The other Modes may not be supported that are not list on the table above
- You may use the power management on your computer. It's good for last service life of the product.
Specification
| LCD Panel Type | Viewing AngleContrast RatioBrightnessResponse Time(Tr+Tf)Display ColorsMax ResolutionPixel Pitch | 17.0” TFT Active Matrix LCD DisplayH:140°, V:130°500 : 1 (Typical)300 cd/m2 (Typical)16 ms16.7M colors1280X1024(SXGA)0.264mm(H)x0.264mm(V) |
| Input Signals RGB Analog | *DVI* | Video Level:0.7Vp-p(75Ω)Sync TTL with 75Ω internal pull-up resistorsFrequency FH:30~80KHzF V:56~75 HzSupport digital RGB signal with TMDS signaling type |
| Compatibility PC Up to 1280X1024@75Hz(Non-interlaced) | ||
| Connector RGB Analog | DVI*AudioPower | D-sub 15-pinsDVI-D*Stereo Phone Jack12V/DC Power Jack |
| Power Voltage | ConsumptionPower saving mode | 100-240V, 50/60Hz(universal) via external AC AdapterActive < 48 Watt MaxStandby < 3 Watt |
| Internal Speaker 2Wx2(Stereo) | ||
| User Interface | LED Indicator | Active - BlueStandby - Blue FlashOff - Turn off |
| Operating Condition | TemperatureAir Humidity | 5°C~40°C20% ~ 80% R.H. |
| Dimensions(W x H x D) | Physical | 400mm(W) x 390mm(H) x 155mm (D) |
| Net Weight | 3.3 Kg | |
| DDC | DDC1/DDC2B Compliant | |
| Power Management | VESA DPMS, EPA Energy Star | |
| Regulation(Certifications) | CE, FCC, TUV, BSMI | |
* DVI function is optional.
開始
目錄....12
顯示器前後視圖....13
包装....14
警示....14
硬體安裝....15
主要功能鍵....16
功能鍵介紹....16
清潔要點....17
注意事項....17
簡易故障排除....17
OSD 視控模式....18-19
支援顯示模式....20
產品規格表 21
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Line drawing of a flat-screen computer monitor with no text or symbols
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Architectural floor plan showing room layout with furniture and structural elements (no text or labels)包装
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Technical diagram of a mechanical or electrical component with numbered parts labeled ①, ②, and ⑤.
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Technical diagram of a mechanical device with numbered components and directional arrows indicating motion or flow.【1】推
【2】 轉軸蓋
【3】轉軸鏢絲
【4】轉動並拉出底座
【5】 底座
顯示器控制
主要功能鍵

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LED POWER INCREASE DECREASE AUTO MENU功能鍵介紹
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Line drawing of a flat-screen computer monitor with a small cup on the base (no text or symbols)
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Architectural floor plan showing room layout with furniture and structural elements (no text or labels)包装
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.Miscellaneous : (其它)

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Line drawing of a flat-screen computer monitor with no text or symbols
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Top-down architectural floor plan of a modern room with two walls, a central rectangular chamber, and a double door (no text or symbols)Déballage
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.
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Technical diagram of a mechanical device with numbered components and directional arrows indicating motion or flow.[1] Poussée
Hardwareinstallation....45
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Line drawing of a flat-screen computer monitor with no text or symbols
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Architectural floor plan showing room layout with furniture and structural elements (no text or labels)Auspacken
Hardwareinstallation
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.
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Technical diagram of a device with labeled components and directional arrows indicating movement or flow.natural_image
Simple line drawing of a computer monitor with blank screen and base (no text or symbols)
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Architectural floor plan showing room layout with furniture and structural elements (no text or labels)Disimballaggio
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Line drawing of a flat-screen computer monitor with a blank screen and a small base (no text or symbols)text_image
Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.
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Technical diagram of a mechanical device with numbered components and directional arrows indicating motion or flow.[1] Spinta
[2] Copertura Della Cerniera
[3] Vite Del Perno
[4] Giri & Tiri La Base
【5】 Base
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Line drawing of a computer monitor with blank screen and base (no text or symbols)
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Top-down architectural floor plan of a modern room with furniture and structural elements (no text or labels)Desempacar
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Technical diagram of a mechanical or electrical component with numbered parts labeled ①, ②, and ⑤.
text_image
Technical diagram of a mechanical device with numbered components and directional arrows indicating movement or flow.natural_image
Line drawing of a flat-screen computer monitor with no text or symbols
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Architectural floor plan showing room layout with furniture and structural elements (no text or labels)Unpacking
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating movement or flow.【1】Duw
【2】 De Dekking van de scharnier
【3】 De Schroef van de spil
【4】 De Basis van de draai & van de Trekkracht
【5】Basis
Monitor aanpassen
Menu controle knop

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LED POWER INCREASE DECREASE AUTO MENUToets inleiding
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Line drawing of a flat-screen computer monitor with no text or symbols
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Top-down architectural floor plan of a modern room with furniture and structural elements (no text or labels)Desembalando
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Simple line drawing of a flat-screen computer monitor with no text or symbols| Univ15 pinos externoD-sub(RGB Análogo)cabo de sinal input | ![]() |
| Cabo de Força | ![]() |
| Adaptador Universal AC Externo(100-240V, 50/60Hz) | ![]() |
| Conector de Audio | ![]() |
| Manual do Usuário | ![]() |
Cuidados
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Technical diagram of a mechanical or electrical component with numbered parts and directional arrows indicating flow or movement.










