42
Alarm
Cause
Warning
Ft/m Selection
When changing the
unit of measure
Confirmation sound
History Clear
When clearing the
history
Confirmation sound
Dive Mode prohibition
alarm
When the E button
is active during the
following conditions:
1. An altitude reading
error
2. During an out
of measurement
range lock and
decompression stop
violation lock
3. During a low
battery reading
4. When the PGT
reaches 9 level
indicators due to an
altitude change or
USF change.
Constant warning
sound. The alarm
will continue until the
E button is no longer
active.
21. Air default function.
The FO
2
setting will return to AIR after 12 to 13 hours unless the
computer is in a dive or a lock mode.
Once in a lock condition the computer will remain that way for 48
hours. After the lock condition has passed the FO
2
is set to AIR.
If a dive is recorded in the log with a time of 3 minutes or more, the
FO
2
will return to AIR after 10 minutes of surface time, except in a
locked condition. If the dive time was less than 3 minutes, the FO
2
will not return to AIR after 10 minutes of surface time.
If 12 to 13 hours after the FO
2
setting change elapses during a dive,
the FO
2
will return to AIR regardless of whether the dive was more or
less than three minutes.