Uwatec Galileo sol Technical Information download pdf (Page 12)

1. Introduction to Galileo

10

inside the cabin of an airplane could cause

decompression sickness, as calculated by

the decompression model in the computer.

!

WARNING

Flying while Galileo displays NO FLY can

result in serious injury or death.

The surface interval (SURF INT) is

displayed from the moment the dive is

closed (5 minutes after surfacing), for as

long as there is remaining desaturation on

the computer.

In addition, the bar graphs at the sides

of the screen show the CNS O

2

(left bar)

and the residual nitrogen loading (right

bar). Depending on the amount of residual

nitrogen, Galileo shows the prohibited

altitude classes via grey lines inside the

stylized mountain (see section 3.6 for more

information).

1.4 Altitude alarm after

a dive

Going to altitude is in a way similar to starting

an ascent from a dive: you expose your

body to a lower partial pressure of nitrogen

and consequently you start offgassing. After

a dive, given the higher nitrogen loading

in your body, even reaching an otherwise

negligible altitude can potentially cause

decompression sickness. Consequently,

when in surface or sleep mode, Galileo

constantly monitors the ambient pressure

and uses it to evaluate your nitrogen loading

and offgassing. If Galileo notices a drop in

ambient pressure not compatible with your

current nitrogen loading, it will activate

the alarm to alert you of the potentially

dangerous situation.

1.5 No-dive warning after

a dive

If Galileo detects a situation of increased

risk (due to the potential of microbubble

accumulation from previous dives or a

CNS O

2

level above 40%), the symbol

will appear on the display together with a

suggested surface interval. This minimum

surface interval is what Galileo predicts

being necessary to reduce the number of

microbubbles and/or to reduce the CNS O

2

level below 40%.

You should not undertake a dive as long

as the no-dive warning is displayed on

the computer screen. If the warning is

prompted by microbubble accumulation

(as opposed to CNS O

2

over 40%) and

you dive anyway, you will have shorter no-

stop times or longer decompression times.

Moreover, the duration of the microbubble

warning at the end of the dive can increase

considerably.

1.6 SOS

If you stay above a depth of 0.8m/3ft for

more than 3 minutes without observing

a prescribed decompression stop, the

computer will switch into SOS mode. Once

in SOS mode the computer will lock up

and will be inoperable as a dive computer

for 24 hours. If Galileo is used for diving

within the 24 hours of an SOS lock, it will

automatically switch to gauge mode and

provide no decompression information.

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