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Receiving a message
When you receive a text message from your buddy or another UDI-14™ user or the boat unit, your UDI-
14™ unit sounds an audible signal and blinking light (if enabled), and the message is automatically
displayed.
The received message identifies
the message sender.
Only if the message is an SOS:
The depth of the diver sending the
message is also displayed in the
message.
In the example on the right, the
sender is Brad, at a depth of 8.3
meters
Click Enter to turn off the audible
signal and automatically transmit
an acknowledgement signal to the
sender. After a short while, the
UDI-14™ returns to the dive
computer display.
Navigation to a target
UDI-14™ can be used to track an SOS beacon or a Homing beacon.
A homing beacon transmits a homing signal from the boat unit on a specific dedicated frequency. An SOS
beacon transmits a homing signal on a specific frequency, received on all networks used with UDI-14™.
Navigation using the UDI-14™ can be done only while the diver or beacon is moving in relation to each
other. In other words, the UDI-14™ diver, the beacon, or both must be moving, since the navigation
beacon relies on the Doppler Effect.
Navigation method for tracking:
Correct navigation as you dive showing the adjusted direction of the target beacon on the UDI-14™.
Choose a random initial direction to start diving, and then adjust as you go.
1
1. Starting location of diver
2. Course adjustments
M SG FROM
Br ad
8 .3 m
Boat above you !
2
2
2
3. Beacon location
3
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