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ATOM 3.0 OPERATING MANUAL
© 2002 Design, 2011 Doc. No. 12-5216-r02 (9/6/11)
SWITCH ROUTINE OVERVIEW
> Can only switch when Dive Main screens are displayed.
> Cannot switch on surface, except during first 10 minutes.
> Cannot switch during alarms.
> All dives begin with Gas/TMT 1 (default on surface).
> Defaults to Gas/TMT 1, 10 minutes after surfacing.
• M (2 sec), while a Dive Main is displayed - to access.
• No button action (10 sec) - to revert to Main.
NORM Switch Preview, information includes (Fig. 118):
> Graphics Goto and GAS 1 (or 2, 3) with # icon.
> Graphic AIR, or PO2 calculated and FO2 set for that Gas with PO2 and FO2 icons.
> Gas (tank) icon (1, 2, or 3) for that Gas (TMT).
• M (2 sec) - to step through Preview screens.
• S (2 sec) - to flash the graphic GAS # 1 (2, 3), then -
• S (2 sec) - to confirm a Switch to that Gas (after 2 sec), display a TMT Search screen (Fig. 119) for 10 sec, then revert to
Main with that new Gas (and TMT) selected.
If the Gas/TMT are not switched to the same tank being used, ATR will increase to maximum after 1 minute without a change in Pressure.
Gas Switch Warning
If the switch to a new Gas would result in PO2 => 1.60, the audible will sound and a warning message will flash (Fig. 120) until
it is silenced.
Due to the possibility that sufficient air may not 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, Up indication will not be given (you control action to be taken).
GAUG Switch Preview, information includes (Fig. 121):
> Graphics Goto and TMT 1 (or 2, 3).
> Tank icon (1, 2, or 3) for that TMT.
• M (2 sec) - to step through Preview screens.
• S (2 sec) - to flash the graphic TMT 1 (or 2, 3), then -
• S (2 sec) - to confirm a Switch to that TMT (after 2 sec), display a TMT Search screen for 10 sec, then revert to Main with
that new TMT selected.
Fig. 118 - NORM GAS
SWITCH PREVIEW
Fig. 119 - TMT SEARCH
(Use set for SELF)
Fig. 120 - GAS SWITCH
WARNING
Fig. 121 - GAUG TMT
SWITCH PREVIEW
Note that Figures 122 & 123 are no longer used.