Diving with the cobra, 1 before diving, Activation and prechecks – SUUNTO Cobra User Manual
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°F°C
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MAX
AVGPO2
NO DEC TIME
STOP
TIME
TIME
SURF
DIVE
O2%
ASC TIME
CEILING
OK
QUIT
SELECT
OPTIONS
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L
O
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OLF
DIVE
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AIR
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3. DIVING WITH THE COBRA
This section contains instructions on how to operate the
dive computer and interpret its displays. You will fi nd
that this dive computer is easy to use and read. Each
display shows only the data relevant to that specifi c
diving situation.
3.1 BEFORE DIVING
3.1.1. ACTIVATION AND PRECHECKS
The dive computer will activate if submerged deeper
than 0.5 m (1.5 ft). However, it is necessary to turn
on the Dive Mode before diving to check the cylinder
pressure, altitude and personal adjustment settings,
battery condition, oxygen settings etc. Press the SMART
(On) button to activate the instrument.
After activation all display elements will turn on showing
mostly fi gure 8’s and graphical elements (Fig. 3.1.). A
few seconds later the battery power indicator is shown
and the backlight and the buzzer are activated (Fig. 3.2.
display a, b, c or d depending on the battery voltage). If
set to Air mode the screen will enter the Surface mode
(Fig. 3.3.). If set to Gauge mode the text GAUGE is
shown (Fig. 3.4.) and if set to Nitrox mode the essential
oxygen parameters are shown with the text NITROX
(Fig. 3.21.) before the Surface mode.
At this time, perform your precheck making sure that:
•
the instrument operates in the correct mode
and provides a complete display (Air and
Nitrox modes)
•
the low battery indicator is not on
•
the altitude and personal adjustment settings
are correct
•
the instrument displays correct units of
measurement (Metric/Imperial)
•
the instrument displays correct temperature
and depth (0.0 m [0 ft])
•
the buzzer beeps
Fig. 3.1. Startup I. All segments
shown.
Fig. 3.2. Startup II. Battery
power indicator.
QUIT
OK
a
b
c
d