User's Manual
 21
on radio, the current channel number will not be heard. 
Please select the volume level as "1", when using an earpiece.   
Channel Lock 
Press the programmed function key to activate the Channel Lock mode, When the 
Channel Lock feature is activated, rotate the channel selector is invalid. 
Emergency 
Press the programmed Emergency key to emit emergency alarm, or send ANI 
(Emergency Automatic Number Identity) / background tone to a pre-defined person or the 
dispatcher (selectable via programming software). You may long or short press the 
programmed Emergency Cancel function key to temprorily cancel the emergency 
procedure. 
Lone Work 
The feature provides added security and safety for individuals who work remotely from 
their team. Press the programmed function key to activate the Lone Work feature, the 
radio is set up to request a response from a user at regular intervals. Should a user not 
press any key as response to a regular warning tone, then a defined emergency 
procedure is activated. 
The Lone Work status will not be memorized once radio power off. 
Lone Work backup 
The feature provides added security and safety for individuals who work remotely from 
their team. Press the programmed function key to activate the Lone Work feature, the 
radio is set up to request a response from a user at regular intervals. Should a user not 
press any key as response to a regular warning tone, then a defined emergency 
procedure is activated. 
The Lone Work status will be memorized after radio power off and on. 
Man Down (optional) 
Press the programmed function key to activate the Man Down mode, horizontally or 
inversely position the radio will activate an alert tone, a defined emergency procedure is 
activated if the radio is horizontally or inversely positioned for a certain length of time. 
Place the radio vertically to cancel the emergency procedure. 










