Nortel Networks 822p 用户手册

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Press the 

 button on the projector or the 

Vol+

 button on the 

remote control to turn up the volume.

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If you’ve turned off the picture and sound, press the 

A/V Mute

 

button on the remote control to turn them on again.

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If you’re using a DVD player or other video source, make sure its 
volume is not turned all the way down or muted. Also, make sure 
the cables are connected correctly, as described in Chapter 1.

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Make sure the audio cable is connected to the correct audio port. 
See page 22 or page 29. 

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If your presentation includes computer audio, make sure the 
volume control on your computer is not turned all the way down 
or muted. Make sure the audio cable is securely connected to both 
the projector and your computer. See page 22.

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The wrong source may be selected. Press the 

Source Search 

button on the projector or the remote control.

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Write down the request code that appears in the Password Protect 
Release screen and contact Epson. See page 87.

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If you turned on the password protect feature before setting the 
password and no password was set before, try using the default 
password: 

0000

.

You must have the remote control to enter the password. You can 
purchase a replacement remote control from Epson. See page 88.