User's Manual

2. Function Description
2-1. Volume Control
GM-2.4G has volume control function that serves user to change volume level wanted.
Volume level is displayed after power is turned on.
Volume level can be set with Up/Down button in the range of 0~8.
The default level is 3.
2-2. Group Setting
GM-2.4G has group setting function that serves user to change group to communicate.
Turn on the GM-2.4G.
When press and hold the Mode button, the LCD window changed to Setting Mode.
Setting the desired group by pressing the Up/Down button on the left side of device.
The Group can be set from 0~39.
Press and hold the Mode button to complete the setting.