35
2 Attention Messages and Alarms
III Uwatec
®
Aladin
®
Pro Ultra
American
Aladin
®
Pro Ultra draws the diver’s attention to certain situations and warns the diver of unsafe diving
practices. Attention messages and alarms are always optical and acoustic under water, only optical at the
surface except the decompression alarm.
The acoustic attention messages (but not the alarms) can be switched off (see
chapter VII Interface page 76).
2.1 Attention messages
Attention messages are communicated to the diver visually by symbols, letters or flashing figures. In addition,
two short acoustic sequences can be heard (in an interval of 4 seconds) in two different frequencies under
water. Attention messages come up in the following situations:
III
Dive in mountain lake
On a change of altitude, the altitude section (0 - 3) and adaptation time is
shown. See page 51.
h
DESATURATION
depth
dive time
max. depth
deco info
End of no-stop phase
In order to prevent a decompression dive: ascend a few feet.
depth
dive time
max. depth
deco info
CNS O
2
LIMIT
%
4 sec