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Adjusting the handset ringer volume 
•  While the handset is ringing for an incoming 
call: 
Press [
+] or [-] repeatedly to select the desired 
volume. 
•  Programming the volume beforehand: 
1.  To change the cellular line ringer volume: 
For CELL 1: [MENU] [#][6][2][8][1] 
For CELL 2: [MENU] [#][6][2][8][2] 
To change the landline ringer volume: 
[MENU] [#][1][6][0] 
2.  : Select the desired volume. 
3.  [SAVE] then [OFF] 
Temporary handset ringer off 
While the handset is ringing for a call, you can turn 
the ringer off temporarily by pressing [Ringer Off 
icon].