ViewSonic VG721m Manual

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Using the LCD Display
Setting the Timing Mode
Setting the timing mode is important for maximizing the quality of the screen image and 
minimizing eye strain. The timing mode consists of the resolution (example 1280 x 1024) and 
refresh rate (or vertical frequency; example 60 Hz). After setting the timing mode, use the 
OSD (On-screen Display) controls to adjust the screen image.
For the best picture quality set your LCD display timing mode to:
VESA 1280 x 1024 @ 60Hz.
To set the Timing...

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Adjusting the Screen Image
Use the buttons on the front control panel to display and adjust the OSD controls which display 
on the screen. The OSD controls are explained at the top of the next page and are defined in 
“Main Menu Controls” on page 11.
Main Menu
with OSD controls
Front Control Panel
shown below in detail
Scrolls through menu options and adjusts the displayed control.
Also a shortcut to display the Contrast adjustment control screen. Power light
Blue = ON
Orange = Power...

ViewSonicVG721m 10 Do the following to adjust the display setting:
1.To display the Main Menu, press button [1].
NOTE: All OSD menus and adjustment screens disappear automatically after about 15 
seconds. This is adjustable through the OSD timeout setting in the setup menu.
2.To select a control to adjust, pressSorTto scroll up or down in the Main Menu.
3.After the desired control is selected, press button [2]. A control screen like the one shown 
below appears.
4.To adjust the setting, press the up S or...

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Main Menu Controls
Adjust the menu items shown below by using the up S and down T buttons.
Control Explanation
Auto Image Adjust sizes and centers the screen image automatically.
Contrast adjusts the difference between the image background (black level) 
and the foreground (white level).
Brightness adjusts background black level of the screen image.
Audio Adjust
Vo l u m e increases the volume, decreases the volume, and mutes the audio.
Mute temporarily silences audio output.
Color...

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Control Explanation
User Color Individual adjustments for red (R), green (G), and blue (B).
1.To select color (R, G or B) press button [2].
2.To adjust selected color, pressSandT.
Important: If you select RECALL from the Main Menu when the product is 
set to a Preset Timing Mode, colors return to the 6500K factory preset.
Information displays the timing mode (video signal input) coming from the 
graphics card in the computer, the LCD model number, the serial number, and 
the ViewSonic...

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Control Explanation
Fine Tune sharpens the focus by aligning text and/or graphics with pixel 
boundaries.
NOTE: Try Auto Image Adjust first.
Sharpness adjusts the clarity and focus of the screen image.
Setup Menu displays the menu shown below:
Language Select allows the user to choose the language used in the menus and 
control screens.
Resolution Notice allows the user to enable or disable this notice.
If you enable the Resolution Notice shown above and your computer is set at a...

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Control Explanation
OSD Position allows the user to move the OSD menus and control screens.
OSD Timeout sets the length of time the OSD screen is displayed. For example, 
with a “30 second” setting, if a control is not pushed within 30 seconds, the 
display screen disappears.
OSD Background allows the user to turn the OSD background On or Off.
Memory Recall returns the adjustments back to factory settings if the display is 
operating in a factory Preset Timing Mode listed in the...

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Other Information
Specifications
1 Macintosh computers older than G3 require a ViewSonic® Macintosh adapter. To order an adapter, contact 
ViewSonic.LCDTy p e
Color Filter
Glass Surface17” (full 17 viewable diagonal area),
TFT (Thin Film Transistor), SXGA,
0.264 mm pixel pitch
RGB vertical stripe
Anti-Glare
Input SignalVideo
SyncRGB analog (0.7/1.0 Vp-p, 75 ohms)
Separate Sync,
f
h:30-82 kHz, fv:56-75 Hz
CompatibilityPC
Macintosh
1
Up to 1280 x 1024 Non-interlaced
Power Macintosh up to...

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Troubleshooting
No power
• Make sure power button (or switch) is ON.
• Make sure A/C power cord is securely connected to the LCD display.
• Plug another electrical device (like a radio) into the power outlet to verify that the outlet is 
supplying proper voltage.
Power is ON but no screen image
• Make sure the video cable supplied with the LCD display is tightly secured to the video 
output port on the back of the computer. If the other end of the video cable is not attached...

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Customer Support
For technical support or product service, see the table below or contact your reseller.
NOTE: You will need the product serial number.
Country/RegionWebsite T = Telephone
F = FAXEmail
United States www.viewsonic.comT= 800 688 6688
F= 909 468 [email protected]
Canada www.viewsonic.comT= 866 463 4775
F= 909 468 [email protected]
Latin America 
(Mexico/Chile)www.viewsonic.comT= 866 323 8056
F= 909 444 [email protected]
United Kingdom...