Acer PD523 User Manual page 29

Problem: The image is outstretched when displaying 16:9
DVD.
The projector automatically detects 16:9 DVD and adjusts the aspect
ratio by digitizing to full screen with 4:3 default setting.
If the image is still outstretched, you will also need to adjust the aspect
ratio by referring to the following:
4
Please select 4:3 aspect ratio type on your DVD player if you are
playing a 16:9 DVD.
4
If you can't select 4:3 aspect ratio type on your DVD player, please
select 4:3 aspect ratio in the on screen menu.
Problem: Image is reversed.
4
Select "Management" from the OSD and adjust the projection
direction. See page 25.
Problem: Lamp burns out or makes a popping sound
4
When the lamp reaches its end of life, it will burn out and may
make a loud popping sound. If this happens, the projector will not
turn on until the lamp module has been replaced. To replace the
lamp, follow the procedures in the "Replacing the Lamp". See
page 31.
Problem: LED lighting message
Message
Standby State
(Input power cord)
Lamp lighting
Power on
Power off (Cooling)
Error (Lamp fail)
Error (Thermal fail)
Error (Fan lock fail)
Error (Over Temp.)
Error
(Lamp Breakdown)
=>Light On
Appendices
Power LED
Temp LED
Green
Flashing
Flashing
=>Light Off
Lamp LED
... English
29