Dive Rite O2ptima Guía de usuario descargar pdf (Pagina 40)

decompression obligation. NO conservatism setting or decompression plan can

guarantee ZERO risk of decompression sickness!

The next option allows the entry of the custom gradient discussed in the previous

section. The first value entered is the GF-High, followed by the GF-Low setting.

This is necessary to allow setting the upper limit for the GF-Low setting 5% below the

GF-High value.

This option allows the defining of five set-points.

After choosing the “Define Set Point” option, the handset

will begin prompting with “Set Point 1” the left button

scrolls to the next set-point while the right button enters

the programming for the displayed set-point. The handset

will display the current value. The left button is used to

change the value of the chosen set-point. This starts with

the current setting, incrementing to a maximum of 1.6 and rolling over back to the low

value of 0.4. Once the desired value is displayed, the right button is used to select the

setting. Values that are programmed on the primary should also be programmed on the

secondary. The diver needs to select the same set-point on both handsets, since alarm

generation on the secondary is based on variation from the selected setpoint.

Once the calibrate option is selected the next

screen will show “Fill Loop w/o2”, 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. The

calibration technique used with the Hammerhead

electronics is the same as most other CCRs and requires

a different approach from the original Inspiration electronics. The HammerHead holds a

very stable calibration; it is not necessary to constantly recalibrate the handsets. The

recommended method is to evacuate all the gas from the loop, flush with oxygen and

repeat at least FOUR times. On the final flush, totally fill the loop until the OPV releases.

Go to the “MV display” screen and take note of the values, exit this screen to prevent the

Custom Gradient

Gf Hi = [100]

Custom Gradient

NEXT SELECT

Custom Gradient

Gf Lo = [ 95]

Define Set Point

NEXT SELECT

Calibrate O2

NEXT SELECT

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Dive Rite O2ptima Guía de usuario Pagina 40