HP ep7112 HP ep7100 Series Home Cinema Digital Projector - User's Guide - Page 62

Interruption problems, Remote control problems, If the lamp shuts off during a show

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Fixing problems ❏ Press menu, go to Sound > Internal speakers, and be sure the speakers are turned on. ❏ Press menu, go to Help > Diagnostics, and run the sound test. ❏ Be sure that the mute and volume settings are correct on the source device, such as a VCR, camcorder, or computer. If no sound is coming out of an external sound system: ❏ Be sure you have an audio cable securely connected between the source device and the sound system. Interruption problems If the projector stops responding to all controls: ❏ If possible, turn off the projector, then unplug the power cord and wait at least 15 seconds before reconnecting power. If the lamp shuts off during a show: ❏ A minor power surge might cause the lamp to shut off. This is normal. Wait a few minutes, then power on the projector. ❏ If a red warning light is on or blinking, see "Warning light problems" on page 57. If the lamp burns out or makes a popping sound: ❏ If the lamp burns out and makes a popping sound, the projector will not turn back on until the lamp module has been replaced. ❏ If the lamp breaks, contact HP about repairs that might be required due to glass fragments. Remote control problems If the remote control does not operate: ❏ Be sure nothing is blocking the remote control receiver on the front or back of the projector. Move to within 9 m (30 ft) of the projector. ❏ Aim the remote control at the screen or at the front or back of the projector. ❏ Press menu, go to Help > Diagnostics, and run the remote control test. ❏ Replace the batteries in the remote control. 62 User's Guide

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62
User’s Guide
Fixing problems
❏
Press
menu,
go to
Sound > Internal speakers,
and be sure the speakers
are turned on.
❏
Press
menu,
go to
Help > Diagnostics,
and run the sound test.
❏
Be sure that the mute and volume settings are correct on the source
device, such as a VCR, camcorder, or computer.
If no sound is coming out of an external sound system:
❏
Be sure you have an audio cable securely connected between the source
device and the sound system.
Interruption problems
If the projector stops responding to all controls:
❏
If possible, turn off the projector, then unplug the power cord and wait at
least 15 seconds before reconnecting power.
If the lamp shuts off during a show:
❏
A minor power surge might cause the lamp to shut off. This is normal.
Wait a few minutes, then power on the projector.
❏
If a red warning light is on or blinking, see “Warning light problems” on
page 57.
If the lamp burns out or makes a popping sound:
❏
If the lamp burns out and makes a popping sound, the projector will not
turn back on until the lamp module has been replaced.
❏
If the lamp breaks, contact HP about repairs that might be required due to
glass fragments.
Remote control problems
If the remote control does not operate:
❏
Be sure nothing is blocking the remote control receiver on the front or
back of the projector. Move to within 9 m (30 ft) of the projector.
❏
Aim the remote control at the screen or at the front or back of the
projector.
❏
Press
menu,
go to
Help > Diagnostics,
and run the remote control test.
❏
Replace the batteries in the remote control.