Avaya B159 Series Handbuch zur Schnelleinrichtung - Seite 4
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CAlIBrAtIOn SettInGS
Adjusting microphone volume from the PA system
PA monitor can be used to adjust the microphone level from an external microphone mixer.
Make a call.
Press MenU and select PA > MOnItOr.
Adjust the microphone level from the mixer so that this level value on the display screen is
around 10–12 when speaking in a normal tone of voice.
Adjusting PA calibration manually
If needed it is possible to calibrate the full duplex performance. The calibration value can
be set to AUTO or be adjusted manually in steps from 0 to 5 where 0 is the highest grade of
duplex.
•
Increase the calibration if the remote party experiences disturbing echoes.
•
Decrease the calibration if the remote party experiences low duplex, i.e. your voice is
muted or clipped when the other party is speaking.
The position of the PA system's microphones and speakers and the amplifier's settings may
affect full duplex performance.
Make a call.
Press MenU and select PA > CAlIBrAtIOn.
AUTO is the default setting and is recommended in most cases. The figure shown in
brackets is the measured calibration value.
Select different levels and compare the audio quality to achieve your preferred setting.
NB. You must ask the person you are calling to assess the effect of the adjustments you
make.