Acer X138GWH User Manual page 21

10
# Icon Function
22 ZOOM IN
23 VIDEO
24 ZOOM OUT
25 LAN/WiFi
26 Backlight
27 Laser pointer
28 Laser button
Note: Functions vary depending on model definition.
Description
Zooms the projector display in.
To change source to COMPOSITE VIDEO.
Zooms the projector display out.
No function.
Remote backlight.
Aim the remote at the viewing screen.
Aim the remote at the viewing screen, press and hold
this button to activate the laser pointer.