Dive Rite Nitek Duo User's Guide download pdf (Page 45)

Using the NiTek Duo

NiTek Duo Dive Computer User Manual 41

Surface mode (upon surfacing from a dive)

Once you surface from a dive, the NiTek Duo automatically

switches to time mode, with “time” displayed on the screen. In

addition to the normal information displayed in time mode such

as time of day, there is other information that is displayed that

pertains to the dive you just completed. This includes:

• Desaturation time

• Surface interval time

• No-fly symbol

• Nitrogen (N2) bar graph

• Oxygen limit index (OLI) bar graph

This additional information is displayed on the screen until the

NiTek Duo calculates that it is no longer needed or after 24

hours have passed since the last dive.

Note: If you are making repetitive dives, you need to pay

attention to your surface interval and use it in conjunction with

plan mode. This ensures that you stay within no-decompression

limits.

NiTek Duo showing surface interval time, desaturation time, no-

fly symbol, and N2 and O2 bar graphs while in time mode

(1) Surface interval time: This is the amount of time you have

spent on the surface since your last dive if there is residual

nitrogen present from a previous dive. It can display up to 24

hours of surface interval time.

(2) Desaturation time: This is the amount of time, expressed in

hours and minutes, that must pass before the residual nitrogen

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Dive Rite Nitek Duo User's Guide Page 45