Gentex CVC M9 - ANR and Talk-Thru Modes

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Active Noise Reduction (ANR)
Active noise reduction is provided by circuitry in the earcups that generates counterwaves to external
noise. Active noise reduction is enabled by an ANR switch in the Right earcup. The ANR switch
operates as follows:
Switch Position Operation
Rear position
ANR enabled
Center position
ANR disabled
Forward position
Talk-thru enabled
TALK-THRU ON
ANR OFF
ANR ON