Service manual

[1] Main Menu
[2] Input toggle (Analog or Digital) or 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] + [▼] + [▲] White Balance. (Not shown on user’s guide)
[1] + [▼] Power Lock
[1] + [▲] OSD Lock
1. Turn off [Power on/off] button.
2. Press [▲] + [▼] + [Power
on/off] at same time
3. Press [1]
All Mode Reset. It will erase all end users’ setting and restore the factory
defaults.
Remark : All the short cuts function are only available while OSD off
Hot Keys for Factory Control
3. Turn off [Power on/off] button.
4. Press [▲] + [▼] + [Power on/off] at same time
5. Press [1]
Then you will see the BIOS update picture show in the screen as below.
17E1HG3004
Hot Keys for Function Controls
20
ViewSonic Corporation
Confidential
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Do Not Copy VA712-1_VA712b-1