Dacor DARWIN, User Manual

Page: 12 / 33

DIVING WITH THE DARWIN
ACTIVATING DIVE MODE
DIVE mode is activated by means of the buttons.
When the <Mode> button is pressed in OFF mode,
the DARWIN performs the autozero procedure
(depth calibration) and the low battery check.
Then it illuminates the display and backlight for
approximately 2 seconds and, if everything is
working correctly, the instrument goes into
PreDive mode.
If a dive is started with the DARWIN in OFF mode,
or in any state other than DIVE mode, the periodic
monitoring of ambient pressure will automatically
activate DIVE mode within a maximum delay of 30
sec after the diver has descended below 1.5 meters.
If, during the first few meters of a descent, the
diver notices that the DARWIN is off, he can press
the <Mode> button to switch it on, pre-empting
the automatic switch-on which would in any case
take place after a maximum delay of 30 sec.
If, during the first few meters of the descent, the
user notices that the DARWIN is in some mode
other than DIVE, he can use the buttons to
activate DIVE mode, pre-empting the automatic
switch to DIVE mode which would in any case take
place after a maximum delay of 30 sec.
In dives with very rapid descents it is preferable
to switch on the computer using the buttons.
AIR DIVE
The various operating phases of DIVE mode are
described below.
D
IVE
- W
AITING TO START DIVE
, P
RE
D
IVE
(
FIG
. 10)
This phase persists until the depth reading
exceeds 1.5 m (4.9 ft). If the PreDive state lasts
longer than 15 min without any button being
pressed, the DARWIN switches to OFF mode.
FIG. 10
D
IVE
- "N
O DECOMPRESSION
"
DIVE
When the depth reading exceeds 1.5 m (4.9 ft),
the dive begins and the dive timer starts
measuring its duration. Recording of the dive data
in memory (LogBook) begins if this phases
persists for more than 20 seconds.
The dive parameters are shown in two display
layouts: WIN1 and WIN2.
WIN1 shows the following parameters (fig. 11):
Sea/fresh.
No deco icon.
current depth (in "m" or "ft").
Duration of the dive in minutes.
No decompression time remaining in minutes.
FIG. 11
Pressing the <Mode> button switches over, for
approximately 8 seconds, to the WIN2 display
layout which shows (fig. 12):
Salt/fresh.
No deco icon.
Maximum depth reached (in "m" or "ft").
Water temperature (in °C or °F).
No decompression time remaining expressed in
minutes.
After 8 seconds, or when the <Mode> button is
pressed, the display automatically reverts to the
WIN1 layout.
!
WARNING
This function should only be used by
expert divers. A diver who clears the
residual nitrogen memory cannot use the
instrument for repetitive dives. After
clearing the residual nitrogen memory,
wait at least 24 hours after your last
dive before using the DARWIN again.
DARWIN DIVE COMPUTER
11
ENGLISH
Darwin.qxd 29/03/2002 16.45 Pagina 11