3. Diving with Galileo
49
English
Details on the information displayed can be
found in the next sections.
3.3.1 Description
of
entries
This section complements the information
listed in the Glossary by adding specifi c
details about Galileo’s screen while diving.
The
dive time
is displayed as dive time in
minutes. If during the dive you ascend to
the surface, the time spent on the surface
will only be counted if you descend again
below 0.8m/3ft within 5 minutes. This
allows for brief periods of orientation.
While on the surface, the time will not
show as progressing but it is running in the
background. As soon as you submerge,
the time will resume, including the time
spent on the surface.
Maximum displayed time is 999 minutes for
CLASSIC
and
FULL
confi gurations and
99 minutes for
LIGHT
confi guration. For
dives longer than that, the dive time starts
again from 0 minutes.
Depth
: the depth is given in 10cm
resolution until 99.9 meters, after which it
is given in 1m resolution. When the depth
is displayed in feet, the resolution is always
1 foot. At a depth shallower than 0.8m/3ft,
the display shows ---. Maximum possible
depth is 330m/1084ft. At depth greater
than 1000ft, the leading “1” is not shown,
so 1084ft will be displayed as “084ft”.
!
WARNING
Galileo functions as a decompression computer
to a depth of 120m/394ft only. At depths deeper
than 120m/394ft it will automatically switch
to gauge mode and it cannot be used as a
decompression computer for the remainder of
the dive. To alert you of the imminent switch, at
depths between 115m/377ft and 120m/394ft
Galileo displays the message
SWITCHING
TO GAUGE.
No-stop time
: calculated in real time and
updated every 0.5 seconds. Maximum
displayed no-stop times are 199 minutes
for
CLASSIC
and
FULL
confi gurations and
99 minutes for
LIGHT
confi guration.
!
WARNING
During all dives, perform a safety stop
between 3 and 5 meters/10 and 15 feet for 3
to 5 minutes, even if no decompression stop
is required.
Temperature
: Galileo displays the water
temperature during the dive and the air
temperature on the surface.
RBT
: The RBT (remaining bottom time) is
the time you can spend at the current depth
and still have enough gas supply to make a
safe ascent and reach the surface with the
tank reserve. The RBT calculation is based
on your current breathing rate, accounts for
any existing and upcoming decompression
obligation and for any temperature gradient
in the water. It assumes an ascent at the
ideal ascent rate (defi ned in section 3.2.1).
When the RBT reaches 0 minutes, it means
that Galileo has computed that if you start
your ascent now and ascend at the ideal
ascent rate, you will arrive at the surface
with just the tank reserve, and any further
delay increases the risk that you run out of
gas supply before reaching the surface.
NOTE:
- Galileo
needs
approximately
2 minutes to analyze your breathing
pattern, thus the RBT is not
displayed during these fi
rst two
minutes.
- When you are close to the
depth of the deepest mandatory
decompression stop, the RBT
indicates the time you can stay at
that depth before reaching the tank
reserve.
Tank pressure
: based on the signal from
the Smart transmitter. The Smart transmitter
has a range of 1.5m/5ft. Unlike other
UWATEC gas integrated dive computers,
this value is not temperature compensated.
Temperature compensation is still performed
to ensure a correct RBT calculation, but the
uncompensated value is displayed.
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