Dive Rite NiTek He Owner's Manual download pdf (Page 17)

NiTek

/NiTek

Owner’s Manual Page 17

➤ Do Nothing—If you take no further action while the Date/Time/Unit Set screen

appears, the NiTek will return automatically to Surface Mode within ﬁ ve to six

minutes.

Set Screen

Prior to every dive, it is important to ensure that the computer’s current FO

settings

match the oxygen concentration in your breathing media. If these do not match, you

must be able to change the NiTek’s FO

setting so that it is the same as the gas in

the cylinder(s) from which you will breathe. To do so, you must enter and use the

computer’s FO

Set screen.

To access this screen: While in Surface Mode, press and hold button B for at

least ﬁ ve seconds.

What you will see: As shown in Figure 6, when you access the FO

Set screen,

you will see the following:

Figure 6: FO2 Set Screen.

1. Mix Number—This appears only on the NiTek3.

2. FO

Setting—This will be either a number between 21 and 99 (if the computer

has been previously set to and held an FO

value), or two horizontal bars,

indicated the FO

setting has defaulted (see page 31 for more information on

Default).

Both the FO

setting and mix Number, if shown, will blink on and off, indicating

that they may be changed.

3. “Change” Indicator—Appears in lieu of Mode Indicator.

To change settings: On the NiTek

, press button B. If you press this button once and

release it, the FO

value will advance by one percent. If you press and hold button B,

the FO

value will begin to scroll. This will enable you to move more rapidly between

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Dive Rite NiTek He Owner's Manual Page 17