Acer A4K1720 Посібник користувача - Сторінка 33

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Image has slanted

sides

Image is reversed

Problems with the Projector

Condition

The projector stops responding

to all controls

Lamp burns out or makes a

popping sound

OSD Messages

Condition

Message

•

If possible, reposition the projector so that it is

centered on the screen and below the bottom of the

screen.

•

Press the Keystone correction keys on the control

panel or remote control until the image becomes

square.

•

Select "INSTALLATION" > "Projection" on the OSD

and adjust the projection direction.

•

If possible, turn off the projector, then

unplug the power cord and wait at

least 30 seconds before reconnecting

power.

•

Make sure that the panel key lock

function is disabled.

When the lamp reaches the end of its useful

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, contact

your local dealer or Acer service center.

Message Reminder

Replace the lamp - the lamp is about to reach its maximum

lifetime. Prepare to replace it soon.

Lamp is approaching the end of its useful life in full power operation.

Replacement suggested!

Solution