Motorola RMU2040 用户手册

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Setting VOX Sensitivity
The sensitivity of the radio's accessory or 
microphone can be adjusted to suit different 
operating environments. VOX sensitivity can 
be programmed via the CPS. 

Default value is OFF. If you want to use the 
VOX feature, VOX level should be set at a 
value different from OFF.

•

1 = Low 

audio input levels will trigger the Tx

•

2 = Medium sensitivity

•

3 = High 

audio input levels will trigger the Tx

Microphone Gain
The sensitivity of the microphone can be 
adjusted to fit different users or operating 
environments.

This feature can be adjusted only through the 
CPS. Microphone default setting is set to 2

 = 

Medium Gain.

Battery Save 
Battery Save feature extends battery life as 
your radio goes into ‘Idle’ state. To enable/
disable press SB1 and SB2 buttons 
simultaneously for 2 or 3 seconds while 
powering up the radio until you hear a quick 
series of beeps. To have a slightly better attack 
time, set Battery Save feature to OFF so that 
the radio is always ready to transmit or receive 
without any delays.

Battery Save feature is set to ON by default

Reset to Factory Defaults
Reset to Factory Defaults will set back all radio 
features to the original factory default settings. 
To do so, press PTT, SB2 and SB1 
simultaneously while turning ON the radio until 
you hear a high tone chirp.