Acer XD1520i - Setup > Advanced; Info

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Setup > Advanced
Advanced
OMute
3D
3D Sync. Invert
Select Exit Enter
On
O
High Altitude O

Mute:
Turn the mute function on or off
.

3D:
Turn the 3D function on or off.

3D Sync. Invert:
Turn the 3D sync. inverter option on or off.
Note:
- 3D/3D Sync. Invert cannot be changed when you select image settings.
- In 3D mode, the maximum supported input timing is 1024 x 768 @ 120Hz.

High Altitude:
When “On” is selected, the fans will spin faster. This feature is useful
in high altitude areas where the air is thin.
Info
Exit
Media Ver.
Info
Serial Number
Signal Type
System Ver.
MCU Ver.
Media Ver.
Exit
1920x1080 60Hz
Review projector related information, such as Serial Number, Signal Type,
System Ver., MCU Ver., and Media Ver..