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The remaining air time calculation includes a 35 bar [500 psi]
safety reserve. This means that when the instrument shows
the air time to be zero, there is still about 35 bar [500 psi]
pressure left in your cylinder depending on your air consump-
tion rate. With a high consumption rate the limit will be clo-
se to 50 bar [725 psi] and with a low rate close to 35 bar [500
psi].
NOTE! Filling your BC will affect the air time calculation, due
to the temporary increase in air consumption.
NOTE! A change of temperature will affect the cylinder
pressure and consequently the air time calculation.
Low Air Pressure Warnings
The dive computer will warn you with three audible double
beeps and a blinking pressure display when the cylinder
pressure reaches 50 bar [725 psi] (Fig. 6.5.). Three double
beeps are also heard when the cylinder pressure goes down
to the user selected alarm pressure and when the remaining
air time reaches zero.
6.1.4. ASCENT RATE INDICATOR
The ascent rate is shown graphically along the right side of
the display as follows:
Fig. 6.6. Ascent Rate Indica-
tor. Audible alarm, activated
backlight and a blinking full
ascent rate bar graph indi-
cate that ascent rate is mo-
re than 10 m/min [33 ft/min].
This is a caution to slow
down! STOP sign means
that you are advised to ma-
ke a Mandatory Safety Stop
when you reach a depth of
6 m [20 ft].
57
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