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RECEIVING TONE AND VOLUME
Bass
Note: When the tone (treble), earpiece volume and
sending levels are set to the maximum, whistling
may appear. If whistling occurs the sending level
settings should be decreased (sending level switch
located on the right side). 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 the switch
is switched OFF, you will need to activate the
function by pressing the button
TONE
Normal
VOLUME
0dB
15dB
36
Treble
15dB
OFF
ON
30dB
.
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