Oricom PMR3000 用户手册

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页码 28
13
Operation
Turning your radio on and off
Press and hold   for three seconds to turn your radio on. The radio 
chirps and the display will show all feature icons for a brief period. 
Press and hold   button for three seconds to turn off your radio.
Adjusting the volume level
When turned on, simply press 
 or 
 button to adjust the 
volume to a comfortable listening level.
Selecting the channel
1.  Press the   button, the currently selected channel number 
will begin to blink.
2.  Press the 
 or 
 button to select a channel.
3.  Press the   button to set a new channel.
Roger beep (Talk Confirmation Tone)
This feature transmits a unique tone when you finish transmitting. 
In the same way as saying “Roger” or “over”, it lets others know 
you are finished talking.
1.  Press   button until 
 appears. Press 
 or 
 to 
enable or disable Roger beep.
2.  When the roger beep is enabled, 
 will show in the display.
3.  When you release the   button you will hear the roger beep.
Talking and listening
It is good radio etiquette to monitor the channel for activity before 
you transmit, to ensure that you do not interrupt other users already 
on the channel.