38
WARNING
Disabling the “Stop” on an uncontrolled
ascent should only be done by highly
experienced divers, who take full
responsibility for the consequences of this
action.
As soon as the depth decreases, PUCK activates the
ascent rate control algorithm, displaying the value
both in m/min (ft/min) and graphically; when the
ascent rate exceeds 12 m/min (39 ft/ min) the bar
appears with the word “Slow”, and PUCK emits an
audible alarm that continues until the ascent rate
returns to within the maximum allowable limit
(12 m/min - 39 ft/min). At the same time as the
audible alarm is triggered, the computer begins
monitoring an “Uncontrolled Ascent”.
An ascent is considered “uncontrolled” when the
diver exceeds the maximum rate for a stretch
equal to at least two thirds of the depth at which
the audible alarm was triggered.
This criterion only applies to alarms triggered
below a depth of 12 m (39 ft). In case of an
uncontrolled ascent, upon surfacing PUCK
disables the AIR and EAN functions of Dive Mode,
and will only function as a timer and depth gauge
(BOTTOM TIME). The other operating modes
remain active. The “Stop” on uncontrolled ascent
function can be disabled in SET DATA mode.
SAFETY STOP
If the maximum depth of a dive exceeds 10 meters,
a “Safety Stop” is activated for the ascent. PUCK
suggests that divers take a 3-minute safety stop
between 2.5 and 6 m in depth (8 - 19 ft), and will
display the word “SAFE”. A timer indicates the time
needed to complete the stop.
If the diver moves outside the depth range
mentioned above, the safety stop timer is halted.
When the diver re-enters the correct depth range,
the safety stop timer resumes from where it left off.
If the diver returns to a depth below 10 m (32 ft),
the “Safety Stop” timer will ignore the previously
aborted stop and will start over from zero. In the
case of a decompression-stop dive, the safety
stop extends the duration of the decompression
stop at 3 m (10 ft) by an additional 3 minutes,
displaying the safety stop information as described
previously.
SURFACING - AIR
When the measured depth is less than 1 m
(3 ft), Puck considers the dive to be suspended
(“Surfacing”) and halts the dive timer. If the diver
does not return below 1.2 m (4 ft) within the
next 3 minutes, Puck considers the dive to be
finished and records its data in the LOGBOOK. If
the diver does re-descend within 3 minutes, the
dive continues and the dive timer resumes from
where it left off.
Data displayed in Surface mode (Figure 20):
• Duration of the dive
• Max depth
• Icons for any mistakes made during the
dive(omitted stop, uncontrolled ascent)
• Coldest logged temperature
FIG. 20
WARNING
If an AIR or EAN dive ends with an
uncontrolled ascent or an omitted stop,
PUCK will restrict AIR and EAN modes for
24 hours and will only allow the BOTTOM
TIME operation mode.
NOTE
The backlight function is operational in
surface mode.
WARNING
Do not fly or travel to high altitudes while
the no-fly indication remains active.
SURFACE MODE - AIR
When PUCK considers the dive to be concluded,
it moves from Dive mode to TIME mode, showing
the desaturation time and the NO FLY icon.
In addition, PUCK displays the icons for any errors
made during the dive (omitted stop, uncontrolled
ascent).
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