Acer H7531D Series User Manual

Also see for H7531D Series: Quick start guide User guide Installation User guide

Acer H7531D Series User Manual Manual pdf 39 page image

29EnglishProblems with the Projector9 Image is too smallor too large • Adjust the zoom ring on the top of the projector.• Move the projector closer to or further from thescreen.• Press "MENU" on the remote control or on thecontrol panel. Go to "Image --> Aspect Ratio" andtry different settings.10 Image has slantedsides • If possible, reposition the projector so that it iscentered on the screen.• Press the "Keystone / " on the OSD or theremote control until the sides are vertical.11 Image is reversed • Select "Image --> Projection" on the OSD and adjustthe projection direction.# Condition Solution1 The projector stops respondingto all controlsIf possible, turn off the projector, thenunplug the power cord and wait at least 30seconds before reconnecting power.2 Lamp burns out or makes apopping soundWhen the lamp reaches the end of its usefullife, it will burn out and may make a loudpopping sound. If this happens, the projectorwill not turn on until the lamp module hasbeen replaced. To replace the lamp, followthe procedures in the "Replacing the Lamp"section.