Geemarc PhotoPHONE 100 Manual page 13

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AMPLIFY ON/OFF Switch at OFF Position
The additional amplification and tone controls are deactivated
each time you use the telephone. The Amplify LED will be off
whenever you use the telephone.
Pressing the Amplify button
tone control and additional amplification. The LED light will turn on
to reflect this change. If you press the amplify button
more, the additional amplification and tone control features will be
turned off once again. The LED light will turn off to reflect this
change.
Irrespective of how many times you press the amplify key
throughout a call, the next time you pick up the handset, these
functions will be turned off once again.
Tone Receiving Adjustment
If the receiver volume has been amplified, the tone control
can also be adjusted. You can adjust and increase
the low frequency or high frequency sounds with the tone slide
control on the top of the unit.
Note: The tone adjustment function will not be affective when the
receiver volume is set to normal level.
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SETTINGS
once during a call will enable
11
once