
Operation
Time-out  timer
The 
The radio will emit a continuous warning tone if the  button is pressed for more than 60 continuous seconds and will stop transmitting.
 button is pressed for more than 60 continuous seconds and will stop transmitting.
The battery level meter
The battery level meter located in the display indicates how much battery power you have remaining to protect the rechargeable battery. When the battery meter has one segment left, the radio will chirp after releasing  or every 10 minutes.
 or every 10 minutes.
Duplex mode
Repeater stations can 
Your radio supports duplex mode on channels 1 - 8. If the repeater channel in your area is channel 1, when you are in duplex mode the transmit channel will be channel 31.
1.Select the repeater channel in your area (channel 1 to channel 8).
2.Press the  button to enter duplex mode, press
 button to enter duplex mode, press  or
 or  to switch between duplex and simplex mode.
 to switch between duplex and simplex mode.
For example, Select channel 1, duplex mode will display ‘ ’. Simplex mode will display 1.
’. Simplex mode will display 1.
Dual channel scan
In 
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