Motorola XPR 7350 用户手册

Use the Monitor feature to make sure a channel is free before 
transmitting.

NOTE: This feature is not applicable in Capacity Plus and 

Linked Capacity Plus.

Press and hold the programmed Monitor button and listen 
for activity.

You hear radio activity or total silence, depending on how 
your radio is programmed.

When you hear “white noise” (that is, the channel is free), 
press the PTT button to talk and release it to listen. The LED 
lights up solid yellow.

Use the Permanent Monitor feature to continuously monitor a 
selected channel for activity.

NOTE: This feature is not applicable in Capacity Plus and 

Linked Capacity Plus.

Press the programmed Permanent Monitor button.

Radio sounds alert tone, and the LED lights up solid yellow.

Press the programmed Permanent Monitor button to 
remove the radio from permanent monitor mode.

Radio sounds an alert tone and the LED turns off.