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Pressing the Amplify key ( ) once during a call will enable
tone control and additional amplification. The LED light will turn
on to reflect this change. If you press the Amplify key ( )
once 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
amplify feature is not being used
SETTINGS