Dive Rite Nitek Duo User's Guide download pdf (Page 19)

Using the NiTek Duo

NiTek Duo Dive Computer User Manual 15

• (4) Dive profile sampling rate

• (5) Salt or fresh water use

• (6, 7) Maximum depth alarm

• (8, 9) Maximum time alarm

• (10) Metric or Imperial units of measurement

There are three “display only” option fields that change based on

how the above settings are set.

• (11) Nitrox indicator: “Nitrox” is displayed if mix1 is set for

a FO2 of greater than 21 percent. If mix1 is set for 21

percent (air), nothing appears. If mix1 is in “default,” the

Nitrox indicator flashes. For more information on “default,”

see “Understanding FO2 default.”

• (12) Maximum operating depth (MOD) for FO2 setting: This

is the safe operating depth (maximum) for the selected mix.

These are based on limiting PO2 factors of 1.4 or 1.6

atmospheres respectively.

• (13) Maximum depth and time alarm indicators: When you

see an indicator symbol, the alarm is set to on.

Max depth symbol:

Max time symbol:

To enter dive operation:

1. Press Mode until “dive” is displayed.

2. Using the topics that follow, set up your desired dive option

settings.

3. If you want to exit dive mode, press and hold Mode for 1 to

2 seconds to return to time mode.

Setting Mix1 and Mix2 percentages

You must set the breathing mix you plan on using on your dive.

Mix1 is considered the first breathing gas you plan on using

during a dive, and mix2 is considered the second breathing gas

you are using on a dive.

• Mix1 can be set for 21 to 50 percent oxygen

• Mix2 can be set for 21 to 99 percent oxygen

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Dive Rite Nitek Duo User's Guide Page 19