Dive Rite Nitek Duo User's Guide download pdf (Page 32)

Using the NiTek Duo

28 NiTek Duo Dive Computer User Manual

To display the secondary diving mode screen:

1. Press and hold Set.

The back light turns on, and the secondary screen is

displayed.

2. Release Set to return to the primary diving mode screen.

Changing gas mixes underwater

Because the NiTek Duo has the ability to use two different gas

mixes (programmed in dive option set mode) during a dive, you

need the ability to switch between mix1 and mix2 while

underwater.

Note: You can only switch gas mixes if the PO2 for the gas mix

you are switching to is 1.6 atmospheres or less. Also, if mix2 is

not programmed, you can not switch mixes.

To change gases underwater:

1. Press and hold Select for three to four seconds.

The back light turns on and, if you are using mix1, mix2

flashes and is displayed. If you are using mix2, mix1 flashes

and is displayed.

2. Release Select to return to the primary diving mode screen.

Safety stop indication

The NiTek Duo has an automatic three-minute safety stop

feature built in. On any dive, when you descend below 33 feet

(10 meters) and then ascend above 20 feet (6 meters), “stop” is

displayed and the NDL changes to a three-minute countdown.

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Dive Rite Nitek Duo User's Guide Page 32