Turning Off The Sound On Answering - Mic On Answer Function; Synchronizing Audio And Video - Lip Sync Function; Reducing Echo - Echo Canceller - Sony PCS-XG80 Operating Instructions Manual

Turning Off the Sound on Answering – Mic on Answer Function
You can turn off the sound to be sent to a remote party when you have
answered a call from the remote party.
If you set "Mic on Answer" to "Off" in the Answer setup menu, only the
picture on the local party will be sent to the remote party when answering a
call. The
For the setting, see "Mic on Answer" in the Answer setup menu on page 72.
To send the sound to the remote party
Press the MIC ON/OFF button on the Remote Commander.
The
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Synchronizing Audio and Video – Lip Sync Function
During the communication a time lag may occur between the sound and
picture to be sent to the remote party, which prevents smooth communication.
Using the Lip Sync function adjusts to synchronize audio and video. However,
this may delay transmission of audio synchronized with video.
The Lip Sync function is enabled if you set "Lip Sync" to "Auto" on the Basic
Setup1 page in the Audio setup menu.
For the setting, see "Lip Sync"in the Audio setup menu on page 78.
Note
To enable the Lip Sync function of the remote party, you have to ask them to do so.
Reducing Echo – Echo Canceller
The Communication System is equipped with the echo canceller function,
allowing the echo that occurs during audio transmission to be reduced.
Setting "Echo Canceller" to "On" on the Basic Setup1 page in the Audio setup
menu activates the built-in echo canceller.
When using an external echo canceller, set "Echo Canceller" to "Off".
For details on the setting, see "Echo Canceller" in the Audio setup menu on
page 78.
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Adjusting the Sound
indicator appears on the monitor screen.
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indicator disappears and the sound is heard by the remote party.