Operation34
heating. In cases like this, you should switch to High Altitude mode to solve these
symptoms. However, this is not to state that this projector can operate under any and all
harsh or extreme conditions.
Adjusting the sound
The sound adjustments made as below will have an effect on the projector speakers. Be
sure you have made a correct connection to the projector audio input. See "Connection"
on page 16 for how the audio input is connected.
Muting the sound
To temporarily turn off the sound:
1. Press MENU/EXIT and then press / until the SYSTEM SETUP: Advanced
menu is highlighted.
2. Press to highlight Audio Settings and press MODE/ENTER. The Audio
Settings page is displayed.
3. Highlight Mute and press / to select On.
If available, you can also press MUTE on the remote control to toggle projector audio between on and off.
Adjusting the sound level
To adjust the sound level, press VOLUME+/VOLUME- on the remote control, or:
1. Repeat steps 1-2 above.
2. Press to highlight Volume and press / to select a desired sound level.
Turning off the Power On/Off Ring Tone
To turn off the ring tone:
1. Repeat steps 1-2 above.
2. Press to highlight Power On/Off Ring Tone and press / to select Off.
The only way to change Power On/Off Ring Tone is setting On or Off here. Setting the sound mute or
changing the sound level will not affect the Power On/Off Ring Tone.
Shutting down the projector
1. Press POWER or OFF, and a confirmation message will be displayed
prompting you.
If you don't respond in a few seconds, the message will disappear.
2. Press POWER or OFF a second time. The POWER indicator light
flashes orange, the light source shuts down.
3. A "Power Off Ring Tone" will be heard. The
POWER indicator light is a steady orange and
fans stop. Disconnect the power cord from the
power outlet.
• To turn off the power ring tone, see "Turning off the Power On/
Off Ring Tone" on page 34 for details.
• Light source life results will vary depending on environmental
conditions and usage.
Direct power off
The AC power cord can be pulled out right after the projector is turned off.
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