SUUNTO Cobra - Manual (Page 23)

21
DIVE TIME T
C
B
m
STOP
MAX
AIR TIME
bar
m
NO DEC TIME
T
C
B
MAX
DIVE TIME
AIR TIME
bar
m
NO DEC TIME
T
C
B
MAX
DIVE TIME bar
AIR TIME
Alternative displays by pressing the TIME button (Fig.
3.9.):
• the current time, shown as TIME
• the water temperature followed by °C for
Centigrade [or °F for Fahrenheit].
NOTE! In Dive Mode the TIME / TEMPERATURE
display automatically changes back to DIVE TIME
/ CYLINDER PRESSURE after 5 seconds.
3.3.2. BOOKMARK
It is possible to make special marks in the profi le memory
during a dive. These Bookmarks will be shown as a dive
log symbol when scrolling the profi le memory on the
computer display. The Bookmarks will also be shown as
annotations in the PC-software, Suunto Dive Manager.
To make a bookmark on the profi le memory during a
dive press the PLAN button (Fig. 3.10.).
3.3.3. CYLINDER PRESSURE DATA
The air pressure of your scuba cylinder in bars [psi] will
be shown digitally in the lower left corner of the display.
Anytime you enter into a dive, the remaining air time
calculation begins. After 30 - 60 seconds (sometimes
more, depending on your air consumption), the fi rst
estimation of remaining air time will be shown in the left
center window of the display. The calculation is always
based on the actual pressure drop in your cylinder and
will automatically adapt to your cylinder size and current
air consumption.
The change in your air consumption will be based on
constant one second interval pressure measurements over
30 - 60 second periods. An increase in air consumption
will infl uence the remaining air time rapidly, while a
drop in air consumption will increase the air time slowly.
Thus a too optimistic air time estimation, caused by a
temporary drop in air consumption, is avoided.
The remaining air time calculation includes a 35 bar [500
psi] safety reserve. This means that when the instrument
shows the air time to be zero, there is still about 35 bar
[500 psi] pressure left in your cylinder depending on your
Fig. 3.10. Bookmark activation.
An annotation, Bookmark, is
placed in the profi le memory
during a dive by pressing PLAN
button. Note Logbook symbol.
Fig. 3.12. Cylinder pressure
warnings. Pressure has dropped
below 50 bar [725 psi]. Pressure
display is blinking and there is
an audible alarm.
Fig. 3.11. A three minute Rec-
ommended Safety Stop.