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warning Er reminds you that you have only three minutes to correct the situation. You
must immediately descend to or below the ceiling.
If you continue to violate the decompression, the dive computer goes into a permanent
Error Mode. In this mode the instrument can only be used as a depth gauge and timer.
You must not dive again for at least 48 hours (see also section 3.8. “Error Conditions”).
DIVE TIME
T
C
B
ºC
m
STOP
CEILING
ASC TIME
MAX
TIME
DIVE TIME
T
C
B
º
C
m
STOP
CEILING
ASC TIME
BEEP
BEEP
BEEP ...
FLOOR
3 m / 10 ft
6 m / 18 ft
CEILING
Fig. 3.17. Decompression
dive, at ceiling zone. Two
arrows point at each other
(“hour glass”). You are in
the optimum ceiling zone
at 3.5 m [11 ft] and your
minimum ascent time is
5 minutes. Pressing TIME
button activates alternative
display.
Fig. 3.18. Decompression
dive, above ceiling.
Note downward pointing
arrow, Er warning and
an audible alarm. You
should immediately (within
3 minutes) descend to or
below ceiling.
Fig. 3.19. Ceiling and Floor
Zones. The Recommended
and Manadatory Safety
Stop zone lies between 6 m
and 3 m [20 ft and 10 ft].