Acer X138GWH User Manual page 57

46
9 Image is too small
or too large
10 Image has slanted
sides
11 Image is reversed
12 LAN/WiFi, USB
Display source
show No signal
13 Image hangs up
when displaying
photo or
document in
Media
•
Adjust the zoom ring on the projector.
•
Move the projector closer to or further from the
screen.
•
Press "MENU" on the remote control. Go to "Image -
-> Aspect Ratio" and try different settings or press
"RATIO" on the remote control to adjust directly.
•
If possible, reposition the projector so that it is
centered on the screen.
•
Press the "Keystone
control until the sides are vertical.
•
Select "Image --> Projection Mode" on the OSD and
adjust the projection direction.
•
Power off peojector and power on again.
•
Power off peojector and power on again.
/ " button on the remote