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Abnormal conditions
WARNING: The UDI-28™ may turn itself off during the dive.
Low battery
When the battery contains less than 3 hours charge, UDI-28™ will display a warning message and
sound an alert tone. Click Enter to return to the dive info display.
When the battery contains less than 2 hours charge, UDI-28™ will display an additional warning
message and sound an alert tone. Click Enter to return to the main display.
When the battery contains less than 1 hours charge, UDI-28™ will display yet another warning message
and sound an alert tone. Click Enter to return to the main display.
Each transmission is shortening the battery tome of operation.
WARNING: In all cases of low battery alert, start ascent immediately, according to safe diving practice,
and recharge the UDI-28™ after you reach the surface.
Empty battery during dive
If the battery status becomes
empty during a dive, the battery
icon starts to flash in addition to
the UDI-28™ sounding an alert
tone. This indicates that the UDI-
28™ can continue to work for a
half hour with 1 transmission every
4 minutes.
Using the Compass
The electronic compass display can be used to navigate and orient yourself underwater. This compass is
accurate within ±2
from the magnetic North.
o
The electronic compass accuracy is influenced by the presence nearby metal bodies and may be biased
dramatically.
Care and maintenance
See
compass.
To see the compass display:
From the Main menu, select Compass.
15.4
depth
32.0
max
124
on page 29 for information on periodic recalibration of the electronic
25
dive time
UDI28
23
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