User's Manual
保修卡 
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7.3 Adjusting the Volume 
When the radio is on, rotate the Power/Volume knob clockwise to increase the volume or 
counterclockwise to decrease it. 
7.4 Selecting a Group 
You can select a group using one of the following methods. 
Method 1: After the radio registers successfully and enters standby state, rotate the Group knob to 
select a group. 
Method 2: In the standby interface, press the Menu key to enter the Menu interface, press navigation 
keys to select Group List and then a group, and then press the OK key. 
7.5 Initiating a Call 
After switching to a group successfully (note: groups are set under the management platform), press 
the PTT key to call the default contacts of the current group. If no contact is online, you will hear a 
voice prompt “No online group member”, and then transmission request will be interrupted. 
7.6 Receiving a Call 
After switching to a group successfully (note: groups are set under the management platform), if a 










