Dive Rite O2ptima Betriebsanweisung PDF herunterladen (Seite 41)

unit from remaining on. Let the unit sit for at least FIVE minutes. This allows time for

any inert gas remaining in the loop to mix. Top with oxygen if any volume from the loop

is lost and go to the “MV display” screen again. If the sensor values have decreased, the

flush was incomplete so flush again and repeat. Once MV readings are stable, vent

excess gas until the loop is at ambient pressure (the easiest way is to vent through the

OPV, opening the DSV risks contamination), enter the “Calibrate O2” screen and select

ready. Immediately go to the “Calibrate O2” screen on the secondary, select and

calibrate. The primary and secondary each require calibration. The two handsets are

independent! This option is disabled while in dive mode for safety.

This setting is used to “zero” the pressure

transducer. The electronics are calibrated at the factory,

which is located 1840 feet above sea level. This pressure

difference is slightly less than 1m of seawater pressure.

This may cause the handset to display a depth while on

the surface. The expected readings would be 2-3fsw or

1m. This option should be used if there are drastic

changes in atmospheric pressure or diving at different altitudes. The next screen will

show “New Sea Level”, with prompts for “Ready “ and “Cancel”. This action is

confirmed with the LEFT button. This prevents a double press selecting this screen from

inadvertently applying this change. This option is disabled while in dive mode for safety.

This option sets the length of time the backlight

remains illuminated after pressing either button. The

shortest is 2 seconds with a maximum time on period of

30 seconds. The use of the backlight should be kept to a

minimum to increase battery life.

Set Sea Level

NEXT SELECT

Backlight Timer

NEXT SELECT

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Dive Rite O2ptima Betriebsanweisung Seite 41