Service manual

ViewSonic Corporation Confidential - Do Not Copy VA903b-1_ VA903m-1
13
3. FRONT PANEL CONTROLS AND INDICATORS
[1] Main Menu
[2] Auto Image Adjust
[▼] or [▲]
To immediately activate Contrast menu. It should be
change to Brightness OSD by push button [2]
[▼]+ [▲] Recall both of Contrast and Brightness to default
[1] + [2]
Toggle 720x400 and 640x400 mode when input 720x400
or 640x400 mode
[1] + [▼] + [▲]
(keep pushing 5 sec)
White Balance (Not shown on user’s guide)
[1] + [▼] Power Lock
[1] + [▲] OSD Lock
Remark : All the short cuts function are only available while OSD off
Front Panel Hardware Controls
Power Switch (Front Head) Power Control, soft Power Switch.
Power LED (Front Head)
Green – On / Orange – Active Off
Dark = Soft Power Switch OFF
Front Panel Controls (Head)
[ 1 ] [ 2 ] [ ][▲] [▼]
[ ] Power
[ 1 ] BUTTON 1
[ 2 ] Button 2
[▲] UP ARROW BUTTON
[▼] DOWN ARROW BUTTON
Note: Power Button, Button 1 and Button 2 must be
one-shot logic operation. (i.e. there should be no
cycling)
Reaction Time OSD must fully appear within 0.5s after pushing [ 1 ]
Main Menu Controls
Auto Image Adjust
Contrast/Brightness*
1
Audio Adjust (For VA903m-3 only)
Volume*
3
, Mute*
3
Color Adjust
sRGB, 9300K, 6500K(default), 5400, User Color [R, G, B]
Information
H Frequency, V Frequency, Pixel Clock, Resolution, Serial Number, Model Number,
“www.ViewSonic.com”
Manual Image Adjust
H. Size, H/V Position
,
Fine Tune, Sharpness*
2
Setup Menu
Language [English, French, German, Italian, Spanish, Finnish, Simplified Chinese
Traditional Chinese, Japanese], Resolution Notice, OSD Position*
1
, OSD Timeout, OSD
Background
Memory Recall
*
1
These functions can be recalled to default by [▼]+ [▲]
*
2
These functions are not available under Native Resolution Mode
*
3
These functions setting can be recalled to default by [▼]+[▲] under audio mode
[Remark] Please refer to the detail in the Appendix C
Short Cuts Function from the button(s)