Volumes
Main unit
Ringer volume
4 levels (high/middle/low/off) are available.
While the unit is idle, press 
or 
.
■To turn the ringer off:
1.Press 
repeatedly until the following message is displayed.
Display: RINGER1OFF=1OK?
YES:SET/NO:STOP
2.Press SET .
● To turn the ringer back on, press 
.
■While the ringer volume is set to off:
The display will show the following message.
123RINGER1OFF
When a call is received, the unit will not ring and will show the following message.
1INCOMING1CALL11
Speaker volume
8 levels (high to low) are available.
While using the speakerphone, press
or 
.
Display 
/ 
SET
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