16 Menu: Volume Settings
Earpiece Menu 
Volume Settings OK 
Earpiece OK 
OK
or F 1…7 OK
The voice volume of the earpiece can be changed in 7 steps via digits 1…7 or the arrow keys.
Speaker Menu 
Volume Settings OK 
OK
or F 1…7 OK
The voice volume of the loudspeaker can be changed in 7 steps via digits 1…7 or the arrow keys.
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