Operation with the aid of a Repeater
Eg. CH1 is being used in your area for repeater use. Press 
momentarily. The 
icon appears. Press 
again to deactivate the duplex operation. UH037SX will return to normal operation.
POWER SAVE
Your UH037SX has a unique circuit designed to dramatically extend the life of the batteries. If there is no transmission nor an incoming call within 2 seconds, your Radio switches to the Power Save mode. The Radio is still able to receive transmissions in this mode.
KEY LOCK
Press and hold 
/ 
to lock or unlock the keypad. 
and 
keys remain functional when key lock is on. When key lock setting is turned on, 
appears momentarily and will appear when an inactive key is pressed.
SCANNING
The scan function scans all channels and stops at an active channel. When the signal stops, the UH037SX waits 2 seconds
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