36
If you receive an SOS signal, your UDI-28™ boat unit sounds an audible signal, and the SOS message is
automatically displayed.
The SOS message identifies the
user sending the SOS, the network,
and the depth of the sender.
In the example on the right, the
sender is user 6, at a depth of 32
meters
.
SOS DETECTED
User 6 15:21
Net : 1
Depth : 21m
Click
Enter
to turn off the audible signal.
Remote SOS
The boat unit contains the ability to send a remote SOS signal to a UDI-28™ user.
Failure to respond within 15 seconds by the user receiving a remote SOS causes the receiving user UDI-
28™ to start sending SOS.
To activate the remote SOS
:
In the
Message
menu, select
Remote SOS or Remote Homing
from the list by scrolling with the
Up/Down
buttons, and then click
Enter
.
Click
Send
. The message is sent
MESSAGES
14. Remote SOS
Using the Compass
The UDI-28™ boat unit contains an electronic compass display. This compass is accurate within ±2
o
.
The electronic compass accuracy is influenced by the presence nearby metal bodies and may be biased
dramatically.
To open the compass display:
From the
Main
menu, select
Compass
.
1
COMPASS CAL
63
MAIN
13:25
N
2
3
4
1. Magnetic North
3. Time
2. Swim direction
4. Your heading (Degrees)
To exit the compass display:
Select
Main
and click
Enter
.
