Acer PD310 User Manual page 23

Problem : The screen is outstretched when displaying 16:9 DVD.
The projector itself will automatically detect 16:9 DVD and adjust the aspect ratio by
digitization to full screen with 4:3 default setting.
If the projector 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.
If you can not select 4:3 aspect ratio type on your DVD player, please select 4:3 On
4
Screen-Display(OSD) function of the projector for your display.
Problem: Image is reverse.
4 To open "Menu" then selects "Management" to adjust the projection.
Problem: Lamp burns out or makes a popping sound
When the lamp reaches its end of life, it will burn out and may make a loud pop-
4
ping sound. If this happens, the projector will not turn back on until the lamp
module has been replaced. To replace the lamp, follow the procedures in the
"Changing the Lamp".
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