Dive Rite Nitek Duo User's Guide download pdf (Page 26)

Using the NiTek Duo

22 NiTek Duo Dive Computer User Manual

computer’s ability to accurately monitor your exposure to oxygen

no longer exists.

Note: You should not rely on the NiTek Duo as the sole means

of tracking your exposure to elevated partial pressures of oxygen

(PO2s). It is recommended that you use either a second Nitrox-

capable computer or another tracking method, such as Nitrox

tables.

Using gauge mode

If you do not want to use the NiTek Duo as a normal “dive

computer,” the NiTek Duo has a gauge operation. Gauge

operation is when the NiTek Duo is operating simply as a depth

gauge and bottom timer. “Gage” is displayed on the screen and

exposure to nitrogen and oxygen and no-decompression limits

are not tracked and no bar graphs are displayed. This mode is

used by divers who are relying solely on dive tables for

decompression information. The operating depth limit when in

gauge operation is 656 feet (200 meters).

Note: You cannot select gauge operation if the computer

calculates that there is still residual nitrogen remaining from a

previous dive. Also, you cannot return to dive computer

operation until 48 hours have passed since your last dive.

In gauge mode, you can still set the profile sampling rate, salt or

fresh water use, max depth and dive time alarms. For more

information, see “Dive option set and display mode.”

To select and setup gauge operation:

1. Press Mode until “dive” is displayed and flashing on the

screen.

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Dive Rite Nitek Duo User's Guide Page 26