Oceanic OCS, Operating Manual

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34
OCS OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-5272-r01 (9/28/11)
PO2 Alarm Alt 2, information includes (Fig. 95) -
> Time of Day (hr:min sec), with A (or P) if 12 Hour.
> Temperature with ° icon and graphic F (or C).
• 5 sec or A (< 2 sec), revert to Main.
PO2 during Deco
When in Deco, PO2 will only alarm at 1.60. The PO2 alarm settings do not apply and there is no warning at lower values.
> If PO2 reaches 1.60 while at a Deco Stop, the audible will sound during which the PO2 value (1.60) with graphic PO2 will
flash in place of Stop Depth/Time, and the graphic message ALARM will be displayed in place of DECO STOP.
> When the audible is silent, PO2 information will alternate with Stop Depth/Time until PO2 decreases below 1.60 at which
time the PO2 information will be removed.
HIGH O2
Warning >> at 80% (240 OTU).
Alarm >> at 100% (300 OTU).
O2 Warning Main, information includes (Fig. 97) -
> Up Arrow icon, flashing until on surface.
> Current Depth with FT (or M) icon.
> Graphic O2, flashing in place of DTR until Audible is silenced, then DTR restored.
> Graphic WARNING, on solid while the Audible sounds.
> Graphic GAS1 (or 2 or 3), one in use.
> Nx icon.
> TLBG with NI icon, or O2BG with O2 icon if O2 time remaining is less.
> VARI while ascending.
• A (< 2 sec) - to access ALTs.
• S (< 2 sec) - to acknowledge alarms.
• S (2 sec) - to access Compass.
• M (< 2 sec) - to access Gas Switching.
• L (press) - to activate Backlight .
O2 Alarm Main, information includes (Fig. 98) -
> Up Arrow icon, flashing until on surface.
> Current Depth with FT (or M) icon.
> Graphic O2, flashing in place of DTR until on surface.
> Graphic ALARM, on solid until on surface .
> Graphic GAS1 (or 2 or 3), one in use.
> Nx icon.
> Full O2BG with O2 icon.
> VARI while ascending.
• A (< 2 sec) - to access ALTs.
• S (< 2 sec) - to acknowledge alarms.
• S (2 sec) - to access Compass.
• M (< 2 sec) - to access Gas Switching.
• L (press) - to activate Backlight.
O2 Alt 1,
information includes (Fig. 99) -
> Max Depth with FT (or M) and MAX icons.
> Elapsed Dive Time (hr:min) with graphic EDT.
> FO2 Set Point for Gas in use with graphic FO2.
> Current PO2 value (ATA) with graphic.
> Nx icon.
> TLBG with NI icon.
• A (< 2 sec) to access ALT 2
• Revert to Main in 5 sec, if A not pressed
O2 Alt 2, information includes (Fig. 100) -
> Time of Day (hr:min sec) with A (or P) if 12 Hour.
> Temperature with ° icon and graphic F (or C).
• 5 sec or A (< 2 sec), revert to Main.
High O2 during Deco
If a High O2 Warning (80%) occurs while at a Deco Stop, the graphics O2 (flashing) and WARNING (solid) will be displayed in
place of Stop Depth/Time) until the Audible is silent, then Stop Depth/Time is restored.
If a High O2 Alarm (100%) strikes while at a Deco Stop, the graphics O2 (flashing) and ALARM (solid) will be displayed in place
of Stop Depth/Time until on the surface. The Up Arrow icon will be displayed (flashing) until on the surface.
Fig. 95 - PO2 ALARM ALT 2
Fig. 97 - HIGH O2 (80%)
WARNING (during Audible)
Fig. 98 - HIGH O2 (100%)
ALARM MAIN
Fig. 99 - O2 ALARM ALT 1
Fig. 100 - O2 ALARM ALT 2
Fig. 96 - HIGH PO2 (100%)
ALARM (during Deco)