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VOLUME ATTENUATION
Press this button to attenuate received voice signals.
Speaker Attenuation is a function to temporary lower down the volume level on
transceiver itself and external speaker. Use this feature in the quiet environment.
As an applied operation, it is usual to leave Attenuation in active, and to cancel
Attenuation at important communication, such as emergency.
ZONE
Press and hold this button for 1 second to change the Zone 1, Zone 2 or Zone 3.
Содержание ProTalk TK-3601D
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