User`s guide

9

WARNING
The use of oxygen rich mixes exposes
the diver to different hazards from those
associated with compressed air. The
diver should be aware of these risks and
understand how to avoid them.

WARNING
Do not use breathing mixes with an oxygen
percentage greater than 50%.

WARNING
It is essential to correctly set the oxygen
percentage in the mix to ensure correct
readouts of:
• no-decompression time remaining
• decompression-stop times
• alarm on exceeding the maximum
permitted PPO
2
.
SET EAN  %O
2
The percentage of oxygen in the mix can be
adjusted within the interval 21% - 50%, in
increments of 1%.
To set the desired value, press and hold the
button when the oxygen percentage appears
(Figure 33).
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Fig. 33
The oxygen percentage will flash.
Press the button to increase the value.
Press and hold the button to set the selected
value.
Press the button to move to the next setting.
SET  EAN  PPO
2
Puck Air sounds an alarm when the partial
pressure of oxygen reaches a pre-established
limit.
This limit can be varied from a minimum
1.2 bar to a maximum of 1.6 bar, in increments
of 0.1 bar.
As this value changes, Puck Air will show
the maximum dive depth compatible with
the oxygen percentage and maximum partial
pressure that have been programmed.
To set the desired value, press and hold
the button when the display reads PPO
2
(Figure 34).
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Fig. 34
The word PPO
2
and the number alongside will
flash.
Press the button to select the desired value.
Press and hold the button to confirm the
selected value.
Press the button to move to the Esc position.
Press and hold the button to exit this menu
and return to the main menu.
BOTTOM TIME GAUGE
In this mode Puck Air functions as an
electronic timer and depth gauge. There are
no specific settings for this kind of dive. Read
carefully sections Set Data and Set Alarm.
TIME MODE
In this menu you can view the watch, date, and
temperature.
Scroll through the main menu to Time
(Figure 35).
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Fig. 35
Press and hold the button to enter Time mode;
the current time will appear.
Press the button to display the date.
Finally, press the button to display the
temperature.
Press the button to move to the Esc position.
Press and hold the button to exit this menu
and return to the main menu.
DIVING WITH PUCK AIR
Puck Air manages three different dive types:
• Air
• Ean
• Bottom Time (GAUGE)
•
To help clarify how Puck Air operates during
the dive, the display screens have been
grouped into four stages:
• Predive
• Dive
• Surfacing
• Surface mode
NOTE
Hold down the button for 2 seconds to
activate the display backlight.
PREDIVE  AIR
This operating mode remains active until the
diver goes below 1.2 meters (4 feet).
The following details are displayed (Figure 36):
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Fig. 36
• type of dive (air)
• units of measurement (m-°C or ft-°F)
• type of water (Salt, Fresh)
• altitude program and level (if enabled)
• personal correction factor and level (if
enabled)
• tank pressure in bar or psi
NOTE
Before every dive, you should check that
all parameters have been set correctly.
NOTE
If you stay in Predive mode for more than
10 minutes without pressing the button,
Puck Air will turn off.

WARNING
We recommend before you begin diving,
you always put Puck Air into Predive mode.
Early in your dive, always check that the
dive computer is switched on.
DIVE  AIR: “NODECOMPRESSION”
DIVE
When the diver descends below 1.2 m (4 ft)
Puck Air automatically switches to Dive mode
and starts displaying the dive data. Remaining
in this mode for more than 20 seconds will
make Puck Air begin recording the dive details
in the Logbook memory. The following details
are displayed (Figure 37):