
Adjust the TONE and VOLUME buttons to adjust
the levels according to your own hearing
requirements.
Note :
When the switch located behind the phone is
ON, the extra-receiving and tone functions are
automatically activated each time you use the
phone. When this switch is switched OFF, you will
need to activate the function by pressing the button
.
TONE
Bass
+10db max
Treble
+10db max
Normal
USING THE PHONE
VOLUME
+20db max
Normal
10