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CHROMIS USER MANUAL
been selected and it is 1 second past 10
o’clock combined with water temperature
that is 20˚C.
Alternative info can be selected in the
following order:
1. Max depth (after 1m/3feet ascent
detected)
2. Temperature
3. Average depth
4. Current time of the clock on the bottom
row, temperature on the top row.
4.9 APNEA mode
Chromis has an advanced APNEA diving
mode. The main features include faster
sampling rate than in normal SCUBA mode
and alarm functions tailored to APNEA
diving.
Chromis measures the depth in APNEA
mode every 0.25 seconds to ensure the
precise maximum depth. In logbook the
data is saved in 1 second intervals. The
higher amount of saved data requires
more space and the consequence is that
approx 10 hours of log data can be stored
in APNEA mode.
In APNEA mode it is also possible to start
and stop the dive manually by press and
hold the - button. This way you can use
Chromis for static APNEA dives, where
normal dive start depth of 0.8 meters will
not start a new dive.
As with gauge mode, Chromis doesn’t
carry out any decompression calculation.
You can only switch to APNEA mode if the
computer is completely desaturated.
The sequential dive number done at the
APNEA session is shown in the top row
during the surface interval, followed by the
dive duration and depth at the middle row.
On the bottom row, the surface interval
counter counts 15 minutes and if no
repetitive dive is done, Chromis turns back
to APNEA menu display.
APNEA mode display during the dive
shows at top row the sequential number
of the dive. At the middle row the dive
time in seconds and the maximum depth
are shown. At the bottom row the ascent
speed is shown.
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