Receiving Volume And Tone - Geemarc PhotoPHONE Notice D'utilisation

Tone and volume adjustment
1-RECEIVING VOLUME AND TONE
ADJUSTMENT
You can adjust the receiving volume and tone
according to your own hearing requirements.
The button allows extra volume and tone
functions to be activated or deactivated during the
conversation.
Tone and volume adjustment (15dB to 30dB) is
only activated when the switch located at the
upper side of your phone is set to ON. When this
button is set to OFF only the volume can be adjusted
from 0dB to 15dB.
When the function is activated, the red light of extra
receiving and tone function button is lit.
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 .
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