Motorola XPR 6380 用户手册

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页码 42
Identifying Radio Controls
English
8
Push-To-Talk (PTT) Button
The PTT button on the 
side of the radio serves 
two basic purposes: 
While a call is in 
progress, the PTT 
button allows the radio 
to transmit to other 
radios in the call.
Press and hold down 
PTT button to talk. 
Release the PTT 
button to listen.
The microphone is 
activated when the 
PTT button is pressed.
While a call is not in progress, the PTT button is used to make 
a new call (see Making a Radio Call on page 14).
Depending on programming, if the Talk Permit Tone is enabled, 
wait until the short alert tone ends before talking.
Switching Between Conventional and 
Trunking Mode
Each channel in your radio 
can be configured as a 
conventional channel or a 
trunking channel. Use the 
Channel Selector Knob to 
switch between a 
conventional or a trunking 
channel.
When switching from 
conventional to trunking 
mode, certain features are 
unavailable.
Your radio also has features available in both conventional and 
trunking mode. However, the minor differences in the way each 
feature works does NOT affect the performance of your radio.
PTT
Button 
Channel Selector Knob 
NAG-LACR.book  Page 8  Monday, October 26, 2009  3:03 PM