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Acer AL2021 Service Manual page 15

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OPERATING INSTRUCTIONS
Front Panel Definition
This Section defines the front panel User Interface for Led Indictor and Key function.
Key Definition:
There are five keys defined in this system and described bellows.
* Adjusting display settings
External Controls
1.
2
3
<
4
>
5
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Power on/off
Blue and Green : power on
POWER
Blue : Power off
Orange: in sleep mode
If OSD is active, press to exit a selection in OSD. If OSD is
AUTO
inactive, press and the monitor will automatically optimize
the position, focus and clock of your display.
Press to view OSD.
OSD Function
Press again to enter a selection in OSD.
If OSD is active, press to select or adjust OSD options. If
MINUS
OSD is inactive, press once, then press the buttons marked
< or > to adjust the volume.
If OSD is active, press to select or adjust OSD options. If
PLUS
OSD is inactive, press once, then press the buttons marked
< or > to adjust the volume.
- 15 -
Chapter 2

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