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4.2. - Dive logbook (
LOG
).
4.2.1. -
DIVE
program logbook.
Cressi-sub computer stores data related to the last 30
hours’ dives (or to the last 60 dives) conducted in DIVE pro-
gram: the data are entered every 30 seconds in the logbook
(dive journal). To activate the logbook, depress button A
( ) repeatedly, until the (LOG) icon appears on the display
(picture 40)
NOTE: Any dive lasting less than 30 seconds (data ente-
ring frequency) will not be stored.
‘s logbook is a multifunction instrument that allows to
view, on three different display modes, a full series of data rela-
ted to dives, starting with the most recent one in chronologi-
cal order.
The main display mode (picture 40) shows on the bottom the
(LOG) function, which is soon replaced by the number of dive
and display mode (1/3 = first of the three available modes
related to that dive).
The display supplies the following information:
1 Dive’s year.
2 Dive’s date (month and day) – in brackets the dive’s num-
ber in the daily series
NOTE: the first dive of the daily series is noted in brackets
with 1 (meaning dive 1), the second with 2 (dive 2), and so on.
3 Maximum depth reached during the dive, given in m or ft.
4 Dive’s number: the most recent dive’s information is given
first. When more than 60 dives are conducted, the oldest
dives are cancelled out.
5 Graph of the residual nitrogen at the end of the dive: if it
remains in the "green" zone, the dive is classified a no
decompression dive; if it enters the "red" zone, the dive is
considered a decompression dive.
6 Indicator of altitude level at which the dive has been con-
ducted (see chapter 2.2.).
7 The ( ) icon appears when the dive has been conduc-
ted with EANx mixture (Nitrox).
8 Graph of CNS O2 toxicity (see chapter 3.3.3.).
All three display modes show as well all icons related to the
alarms which may have started during the dive, like:
(PO2) (PO2 alarm); (SLOW) (maximum ascent rate alarm), and so on
To view the second logbook display mode, just depress button
D ( ). The mode’s number 1/3 is replaced by 2/3, mea-
ning the second of the available logbook modes related to
the dive.
This second mode supplies the following data (picture 41):
1 Dive’s starting time (the time at which the computer has
gone below 4 ft., starting the dive time computation.
2 Dive’s end time (the time at which the computer has gone
above 4 ft.;
3 Dive’s average depth (AVE) in m or ft.
4 Dive’s total time, given in minutes, shown by the "DIVE T."
icon
To revert back to the first display mode, just depress button
C ( ), To view the third logbook display mode, just
depress button D ( ). The mode’s number 2/3 is repla-
ced by 3/3, meaning the third and last of the available log-
book modes related to the dive.
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