23
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.
depth
max
dive time
15.4
32.0
25
UDI28
124
Using the Compass
The electronic compass display can be used to navigate and orient yourself underwater. This compass is
accurate within ±2
o
from the magnetic North.
The electronic compass accuracy is influenced by the presence nearby metal bodies and may be biased
on page 29 for information on periodic recalibration of the electronic
compass.
To see the compass display:
From the
Main
menu, select
Compass
.