Note: When the tone (treble), earpiece volume and sending
levels are set to the maximum, whistling may occur. If
whistling occurs the sending level settings should be
decreased with the switch .
When the volume and tone adjustment switch located on
the rear of 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 located near
the keypad.
Tone and volume adjustment on the back of the phone
(15dB to 30dB) is only activated when the button is set
to ON. When this button is set to OFF the volume can be
adjusted from 0dB to 15dB.
NOTE: If you are using a hearing aid, set your hearing aid
to the “T” position.
10
Volume and tone receiving adjustmentVolume and tone receiving adjustment
You can increase the volume and adjust the receiving tone
to suit your own hearing requirements.
The button allows extra receiving and tone functions to be
activated during the conversation. When the function is
activated, the red light located near the button is lit.
Adjust the tone and volume levels with the side switches
according to your own hearing requirements.
9

Tone

Bass
+10db max Treble
+10db max
Normal

Volume

0dB
15dB 15dB
30dB Off
On