+40 dB is lit. Adjust the
buttons to move the level according to your own
When the function is activated, the red light for extra
olume and tone receiving adjustment
13
9 - V
You can increase the volume and adjust the
receiving tone according to your own hearing
requirements.The 40 dB allows extra-
receiving and tone functions to be activated or not
during the conversation.
receiving and tone function located near the button
TONE and VOLUME
hearing requirements.
TONE
Bass
+10db max
Treble
+10db max
Normal
Using the phone