Nortel Networks 822p 用户手册

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Setting Up the Projector
23
Connecting External Speakers
You can output sound to external speakers with built-in amplifiers. 
When you play sound through external speakers, the projector’s 
built-in speaker system is disabled.
1. Locate the appropriate cable to connect your speakers. 
Depending on your speakers, you may be able to use a 
commercially available audio cable with a stereo mini-jack 
connector on one end and pin jacks on the other end. For some 
speakers, you may have to purchase a special cable or use an 
adapter.
2. Connect the stereo mini-jack end of the audio cable to the 
Audio 
Out
 port on the projector. 
  
3. Connect the other end of the cable to your speakers. 
The projector’s internal speaker system is disabled while sound is 
output to external speakers, and you can’t use the projector or remote 
control to adjust the volume.