ViewSonic VA903m Manual

ViewSonicVA903m/VA903b/VA903mb 8
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...

ViewSonicVA903m/VA903b/VA903mb 9
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.
Displays the...

ViewSonicVA903m/VA903b/VA903mb 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 control,...

ViewSonicVA903m/VA903b/VA903mb 11
Main Menu Controls
Adjust the menu items shown below by using the up S and down T buttons.
Control Explanation
Auto Image Adjust automatically sizes, centers, and fine tunes the video signal 
to eliminate waviness and distortion. Press the [2] button to obtain a sharper 
image.
NOTE: Auto Image Adjust works with most common video cards. If this 
function does not work on your LCD display, then lower the video refresh rate 
to 60 Hz and set the resolution to its pre-set...

ViewSonicVA903m/VA903b/VA903mb 12
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...

ViewSonicVA903m/VA903b/VA903mb 13
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 displays the Resolution Notice menu shown below.
Resolution Notice advises the optimal resolution to use.
OSD Position...

ViewSonicVA903m/VA903b/VA903mb 14
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 Surface19” (full 19 viewable diagonal area),
TFT (Thin Film Transistor), Active Matrix SXGA LCD,
0.294 mm pixel pitch
RGB vertical stripe
Anti-Glare
Input SignalVideo Sync RGB analog (0.7/1.0 Vp-p, 75 ohms)
Separate Sync,
f
h:24-82 kHz, fv:50-75 Hz
CompatibilityPC
Macintosh
1
Up to 1280 x 1024...

ViewSonicVA903m/VA903b/VA903mb 15
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...

ViewSonicVA903m/VA903b/VA903mb 16
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
Australia/New Zealand www.viewsonic.com.auAUS= 1800 880 818
NZ= 0800 008 [email protected]
Canada www.viewsonic.comT= 1-866-463-4775 
F= [email protected]
Europe/Middle East/
Baltic countries/North 
Africawww.viewsoniceurope.com Contact your...

ViewSonicVA903m/VA903b/VA903mb 17
Cleaning the LCD Display
• MAKE SURE THE LCD DISPLAY IS TURNED OFF.
• NEVER SPRAY OR POUR ANY LIQUID DIRECTLY ONTO THE SCREEN OR CASE.
To clean the screen:
1.Wipe the screen with a clean, soft, lint-free cloth. This removes dust and other particles.
2.If the screen still not clean, apply a small amount of non-ammonia
, non-alcohol based glass 
cleaner onto a clean, soft, lint-free cloth, and wipe the screen.
To clean the case:
1.Use a soft, dry cloth.
2.If the case still...