User's Manual Part 1

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Noise Reduction Selection
The DSP noise reduction system is enabled and disabled by momentary pressing
the key.
When the noise reduction system is selected the display shows a small square to
the right of the mode indication notated NR as below:-
The DSP noise reduction system is disabled by momentary pressing the
key.
Note:- There are three levels of noise reduction available, these levels can be set
either when programming the transceiver or in the “Audio Settings” section of the
protected menu.