User's Guide

U3 USER GUIDE
32
8. EMERGENCY ALARM
When you need any help or rescues from task operations, U3 provides Emergency call feature
for you. Once the feature is enabled, the radio will keep sending an emergency command in a
pre-set channel until receiving the control code.
8.1 SENDING AN EMERGENCY ALARM
8.1.1 How To Operate Emergency Alarm Function
U3 provides you one quick way to enable Emergency alarm function by holding down the
Emergency Button.
8.2 RECEIVING AN EMERGENCY ALARM
You can select some radios to receive Emergency Call, if your radio receives GPS data, the
radio will also show the relative position.
8.2.1 To Receive Emergency Alarm Function
1. If your radio receives an Emergency alarm, it will automatically
alert you.
2. Press Menu & Enter button to initiate the emergency call and
loading GPS data if available.