1229L Monitor Quick Help
Video Adjustment Notes
- OSD Lock/Unlock: Simultaneously press
and hold Menu and Up
buttons (1 and 2) for 2 seconds
- Power Lock/Unlock:
Simultaneously press Menu and Down buttons (1 and 3) for 2 seconds
- Mute:
Press the Down button (3) to display the volume setting, then release and
press again to decrease to zero for Mute; Up arrow can also be used to
adjust volume up
- Shortcut to
Contrast adjust: Press the Up button (2), then release and press either Up or Down buttons to adjust
- Shortcut to Auto-Adjust: Press
Select button (4)
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