NOTE

NOTE

Filling your BC affects the air time calculation due to the temporary increase in air consumption.

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.

TANK PRESSURE HAS DROPPED BELOW 50 BAR

AND THE REMAINING AIR TIME IS 4 MINUTES.

THE DISPLAY BLINKS AND THERE IS AN AUDIBLE ALARM.

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. When the maximum allowed ascent rate is exceeded, the fifth SLOW warning segment and the STOP sign appear and the depth reading starts to blink, indicating that the maximum ascent rate has been exceeded continuously or that the current ascent rate is significantly above the allowed rate.

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Suunto D9 manual Ascent rate indicator