Oceanic VT 3, Operating Manual

Page: 100 / 164

100
NORM HIGH PO2
When partial pressure of oxygen (PO2) becomes equal to, or
greater than, 0.20 ATA less than the PO2 Alarm Set Point (a SET
A Group setting); the red LED warning light will flash, the Au-
dible Alarm will sound, and the message HIGH > PO2 will scroll
until the Alarm is acknowledged/silenced.
• The graphic PO2 and UP Arrow will appear solid on the
MAIN Display (Fig. 85) as a warning until PO2 decreases.
• After the Alarm is silenced, the graphic message UP >
HIGH > PO2 will scroll.
If PO2 continues to increase, the value displayed will increase in
increments of 0.01 ATA to a maximum value of 5.00 ATA.
When PO2 reaches the PO2 Alarm Set Point, the red LED
warning light will flash and the Audible Alarm will sound again.
> The graphic PO2 and UP Arrow will flash as a warning
until PO2 decreases below the Alarm Set Point.
> The message UP > HIGH > PO2 will continue to scroll.
> The value of PO2 can be viewed by accessing the ALT 2
Display by pressing/releasing the A button 2 times.
> The unit will revert to the MAIN Display after 5 seconds.
Fig. 85 - HIGH PO2 MAIN
WARNING:
If a High PO2
condition occurs
while in Deco
Mode, the
message HIGH >
PO2 will replace
the DECO
message until
PO2 < 1.60.