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1229L Monitor Quick Help

Video Adjustment Notes

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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