Attention Messages And Alarms; Attention Messages; Alarms - Uwatec SMART TEC Operating Manual

2 Attention messages and alarms

TEC draws the diver's attention to certain situations and warns the diver of unsafe diving practices. Atten-
tion messages and alarms are always visual and audible under water, only visual at the surface except the
decompression alarm.
WARNING

2.1 Attention messages

Attention messages are communicated to the
diver visually by symbols, letters or flashing figu-
res. In addition, two short audible sequences can
be heard (in an interval of 4 seconds) in two diffe-
rent frequencies under water.
4 sec
Attention messages come up in the following
situations (more information can be found on the
listed pages):
• Maximum Operating Depth / max ppO
is reached
• Set maximum depth is reached
• Oxygen toxicity reaches 75%
• No-stop time = 2 minutes
• Prohibited altitude* (surface mode)
• Entering decompression when diving with L0 23
• Remaining Bottom Time < 3 minutes
• Tank pressure has reached set warning level 21
• Increased workload
• Depth for tank switch has been reached 35
Diving with microbubble levels (L1-L5):
• MB no-stop time = 0
• MB level stop ignored
• MB level reduced
• Entering decompression when diving
with MB level L1-L5
*without audible alarm
III UWATEC ® Smart dive computers
The audible attention messages (but not the alarms) can be selectively
switched off with SmartTRAK.
(can be switched off)
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2.2 Alarms

Serious injury or death may result from failing to
immediately respond to alarms given by TEC.
Alarms are given to the diver visually by flashing
symbols, letters or figures. In addition, an audible
sequence in one frequency can be heard during
the whole duration of the alarm.
An alarm occurs in the following situations
(more information can be found on the listed
pages):
• Oxygen toxicity reaches 100%
• Ignored decompression
• Remaining Bottom Time = 0
( can be switched to attention beep)
• Exceeding the prescribed ascent rate
(Particular scale of beeps, ->20)
• Low battery alarm*
Low battery alarm TEC*
The service symbol appears if the battery capacity
reaches 0%.
Transmitter battery low: *
<bAt> flashing and alternating with the display of
the tank pressure.
NO STOP
NO STOP
%
*without audible alarm
III
(can not be switched off)
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see below
Take the unit to your
authorised SCUBAPRO
UWATEC retailer.
Replace the battery in
the transmitter. ->40
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