Oceanic GEO 2 Operating Manual - page 83

83

Fig.93-PO2ALARMMAIN

PO2 Alarm Main, information includes  (Fig. 93) -

>  NX icon

>  Current Depth with FT (or M) icon

>  DTR with NDC (or O2) and min icons

>  PO2 value (ATA) with PO2 icon, flashing until < Set Point, 

then solid

>  Up Arrow icon, flashing until < Set Point, then solid

>  TLBG with icon

>  VARI while ascending

>  (PZ+), CF, Gas icons - those that apply

•  A (< 2 sec) - to access ALTs (similar to those for No Deco). 

•  M (2 sec) - to access Gas Switching.

•  L (press) - to activate Backlight.

High PO2 during Deco (Fig. 94) 

The PO2 alarm setting does not apply when in Deco.

>  If PO2 reaches 1.60 while at a Deco Stop, the PO2 value 

(1.60) with icon will alternate with Deco Stop Depth/Time 

once each minute*. 

*PO2 on for 10 seconds, Deco Stop Depth/Time on for 50 seconds 

until PO2 decreases below 1.60, then PO2 will not be displayed.

Fig.94-PO2ALARM

(whileinDeco)

altw/Stop

Depth/Time