10
UDI-28™ unit
Unit Description
The UDI-28™ unit consists of the following:
1
6
5
4
3
2
7
1. Antenna
4. OLED display, plastic protector
2. Up scroll button
5. Attachment buckle
3. Down scroll button
6. Enter button
7. Emergency (SOS) button
The UDI-28™ contains the following functions:
Bottom timer
Electronic compass
Message sending/receiving
Homing device
Emergency signaling
Use of these functions is explained below.