Dive Rite Nitek Duo User's Guide download pdf (Page 34)

Using the NiTek Duo

30 NiTek Duo Dive Computer User Manual

Ascent rate warning

The NiTek Duo assumes that you keep your ascent rate within

the following limits:

Depth range Ascent rate

0 to 19 feet (0 to 5.9 meters) 26 feet (8 meters) per minute

20 to 59 feet (6 to 17.9 meters) 39 feet (12 meters) per minute

59 feet (18 meters) or deeper 52 feet (16 meters) per minute

If you exceed these ascent rates, an audible alarm sounds for

three seconds and “slow” is displayed and flashes on the screen.

The warning displays until you slow your ascent to an acceptable

rate or you reach 5 feet (1.5 meters). If the ascent rate is violated

twice, the “slow” symbol appears in log mode after the dive.

Ascent rate warning with “slow” displayed and full bar graph

PO2 limit warning

The PO2 warning indicates that you have exceeded the 1.4

atmospheres and/or 1.6 atmospheres for the gas you are

breathing. If you are using mix1 and exceed a PO2 of 1.4

atmospheres, an audible alarm sounds for three seconds, and the

PO2 value, PO2 symbol, and current depth blink. If you exceed a

PO2 of 1.6 atmospheres, in addition to the above audible and

visual alarms, the OLI bar graph flashes. If you are using mix2

and exceed a PO2 of 1.6 atmospheres, all visible alarms appear

and the audible alarm sounds twice.

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Dive Rite Nitek Duo User's Guide Page 34