Aeris A300 - High PO2

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A300/A300 XT OPERATING MANUAL
© 2002 Design, 2012 Doc. No. 12-7255-r01 (5/14/12)
VGM Main, information includes (Fig. 81) -
> Current Depth with FT (or M) icon.
> Graphics UP VIO with Up Arrow icon, flashing until on surface.
> VARI, while ascending.
• A (< 2 sec) to access ALT 1.
• M (2 sec) to access Gas Switching (TECH only).
• S (< 2 sec) to silence/acknowledge alarms.
• S (press) to activate Smartglo
®
Backlight.
> ALTs are similar to Deco, with no TAT or O2 data.
VGM on Surface
The graphic VIO flashes for the first 10 minutes (Fig. 82), then VIO alternates with NOR or TEC, each On 3 seconds, until unit
shut down after 24 hours with no dives*.
*A full 24 hour surface interval must then be served before all functions are restored.
During that 24 hours, access to all selections and screens is available except those associated with Ni-O2 calculations such as
Desat, Plan, Set FO2. The Fly countdown timer provides the time remaining (of the 24 hours required) before normal opera-
tion can resume with full features and functions.
HIGH PO2
Warning, in NORM >> at 1.20 only.
Alarm, in NORM >> at 1.40 only, except in Deco then at 1.60 only.
Warning, in TECH >> at 0.80 to 1.40 (0.20 less than Alarm value set).
Alarm, in TECH >> at Set Point value, except in Deco then at 1.60 only.
When partial pressure of oxygen (PO2) increases to the Warning level, the Audible will sound during which the graphic UP, Up
Arrow icon, and PO2 value with icon will flash in place of DTR (Fig. 83).
> After the Audible is silenced, DTR is restored, and the graphic UP and Up Arrow icon remain on solid until PO2 decreases
below the warning level when they are removed.
If PO2 continues to increase and reaches the PO2 Alarm level, the Audible will sound again during which the graphic UP, Up
Arrow icon, and PO2 value with icon will flash in place of DTR.
> After the Audible is silenced, DTR will alternate with the PO2 value, and the graphic UP and Up Arrow icon remain on solid
(Fig. 84) until PO2 decreases below the warning level when they are removed.
• A (< 2 sec) to access ALTs.
• M (2 sec) to access Gas Switching (TECH only).
• S (< 2 sec) to silence/acknowledge alarms.
• S (press) to activate Smartglo
®
Backlight.
> ALTs are similar to No Deco.
PO2 during Deco
The PO2 warnings, and the alarm values that were set, do not apply when in Deco.
When PO2 reaches 1.60, the Audible will sound during which the PO2 value with icon will flash in place of Stop Time.
> After the Audible is silenced, the PO2 value with icon will alternate with Stop Time once each minute* (Fig. 85).
*PO2 will be displayed for 10 seconds, then Stop Time will be displayed for 50 seconds once each minute until PO2
decreases below 1.60, then PO2 will not be displayed.
Fig. 82 - VGM MAIN
(on surface)
Fig. 81 - VGM MAIN
(after Audible)
Fig. 83 - PO2 WARNING
(during Audible)
Fig. 84 - PO2 ALARM
(after Audible)
Fig. 85 - PO2 ALARM
(after Audible in Deco)
alternate
with PO2
alternate
with PO2