Operation Manual

41
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
OVERVIEW
> Can only switching when Dive Main screens are displayed.
> Cannot Switch Gas or TMTs on surface.
> Cannot Switch Gas or TMTs during alarms.
> All NORM dives begin with Gas 1.
> NORM mode defaults to Gas 1 after 10 minutes on the surface.
> Switching Gas also switches TMTs, if available.
NORM GAS SWITCH Menu, information includes (Fig. 108):
M (2 sec) while a NORM Dive Main is displayed - to access the Menu (Select) screen.
> Graphic SEL
> Graphic selections GAS1, GAS2, & GAS3) with FO2 settings
A (< 2 sec) - to step down (forward) through selections
M (< 2 sec) - to step up (back) through selections
S (< 2 sec) - to access selection indicated by Arrow icon ( > )
NORM Gas 1 Switch To, information includes (Fig. 109):
> Graphics SWCH TO** - GAS1
> Graphic FO2 with Set Point
> Graphic PO2 with value for Gas 1 FO2
> Nx icon, if Nitrox
• S (< 2 sec) - to Switch from Gas in use to Gas 1,
> a Search for TMT screen (Fig. 110) is displayed for 10 sec, then operation reverts to Main with Gas 1/TMT 1 selected.
If the Gas/TMT are not switched to the same source as the gas being breathed, ATR will increase to maximum after 1 minute
without a change in transmitted Pressure.
>> Gas 2 and/or Gas 3 Switch To are similar.
NORM Gas Switch Alarm**
If a switch to the Gas would result in PO2 => 1.60, the Audible will sound and a warning message will flash (Fig. 111) until it is
silenced, then the graphic SWCH TO - will be restored.
Due to the possibility that insufficient air may be available in the Switch From tank, the switch will still be allowed.
If the switch is made, the PO2 alarm will strike. If in Deco, the Up Arrow icon will not flash (you control action to be taken).
GAUG TMT SWITCH Menu, information includes (Fig. 112):
M (2 sec) while a GAUG Dive Main is displayed - to access the Menu (Select) screen.
> Graphic SEL
> Graphic selections TMT1, TMT2, & TMT3 with graphic PRESS
A (< 2 sec) to step down (forward) through selections
M (< 2 sec) to step up (back) through selections
S (< 2 sec) to access selection indicated by Arrow icon ( > )
TMT 1 Switch To, information includes (Fig. 113):
> Graphics SWCH TO - TMT1
• S (< 2 sec) to Switch from TMT in use to TMT 1,
> a Search for TMT screen is displayed for 10 sec, then operation reverts to Main with TMT 1 selected
>> TMT 2 and/or TMT 3 Switch To are similar.
Fig. 108 - NORM GAS
SWITCH MENU
Fig. 109 - GAS 1 SWCH TO
Fig. 110 - TMT 1 SEARCH
Fig. 111 - GAS SWCH ALARM
Fig. 113 - TMT 1 SWCH TO
Fig. 112 - GAUG TMT
SWITCH MENU