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FREE DIVE MODE
When Free Dive Mode is selected, nitrogen loading is calculated based on a default FO2 of Air. The amount of nitrogen remaining during 24
hours is carried over between FREE and NORM operating modes.
• M (2 sec), while viewing GAUG SURF Main, will access FREE SURF Main.
• M (< 2 sec), while the graphic FREE is flashing, will select it as the operating mode.
FREE SURFACE MAIN, information includes (Fig. 104) -
> Graphic tot with Total number of repetitive Free dives conducted (0 if none yet) in that series with DIVE icon.
> Surface Interval after the most recent dive (min:sec with icons to 59:59, then hr:min) with SURF icon.
> Graphic FREE.
> NIBG with N2 icon if any after FREE or NORM dives.
> Battery icon if a Low Battery condition exists
• A (< 2 sec) to access SURF ALT 1.
• A (2 sec) to access CDT Status.
• A + S (2 sec) to access the Set EDT Alarm.
• M (< 2 sec) to access Watch Default Time.
• M (2 sec) to access NORM SURF Main.
• L (press) to activate Backlight.
FREE SURFACE ALT 1, information includes (Fig. 105) -
> Max Depth of last dive with MAX and FT (or M) icons.
> EDT (min:sec) of last dive with DIVE icon.
> Surface Interval prior to last dive (min:sec) with SURF, min, and sec icons.
> Graphic LAST.
• A (< 2 sec) to access ALT 2.
• Revert to Main after 5 seconds if A is not pressed.
• L (press) to activate Backlight.
FREE SURFACE ALT 2, information includes (Fig. 106) -
> Altitude graphic EL2 to EL7, if above 3000 feet (915 meters), blank if Sea level.
> Time of Day (hr:min).
> Temperature with ° icon and graphic F (or C).
• A (< 2 sec) to revert to the Main, or after 5 seconds if A is not pressed.
• L (press) to activate Backlight.
FREE CDT STATUS (COUNTDOWN TIMER), information includes (Fig. 107A/B):
> Graphic OFF (or ON) flashing, with 0:00 if no time was previously set, the remaining Countdown Time (min:sec) if running, or the
Countdown Time previously set.
> Graphic CDT.
• S (< 2 sec) will toggle between ON and OFF. A toggle to ON will Start the Timer if a Time has been set.
• A (< 2 sec) will save the selection.
>> If OFF is saved, the CD Time in progress will stop counting down and access to Set will be allowed.
>> If ON is saved, the CD Time displayed (previously set) will start counting down and access to Set will be blocked.
• A + S (2 sec) will display the graphic SEt in place of OFF, allowing the Time to be set.
• M (2 sec) will revert to the FREE SURF Main.
• L (press) will activate the Backlight.
SET CDT, information includes (Fig. 108):
> Graphic SEt with last Time (min:sec) set, Minute digits flashing.
> Graphic CDT.
• S (press/hold) will scroll upward through the Minute Set Points in 1 minute increments at a rate of 8 per second.
• S (< 2 sec) will step upward through the Set Points one at a time.
• A (< 2 sec) will save the Minute setting and flash the Second digits.
• S (press/hold) will scroll upward through the Second Set Points in 1 second increments at a rate of 8 per second.
• S (< 2 sec) will step upward through the Set Points one at a time.
• A (< 2 sec) will save the Seconds setting and revert to the CDT Status screen, with OFF flashing in place of SEt.
• S (< 2 sec) will toggle from OFF to ON, starting countdown.
• M (2 sec), or no button press for 2 min, will revert to FREE SURF Main.
Once set ON, the CDT will run in the background (on surface and during dives) until turned OFF, or it counts down to 0:00 at which time
the alarm will strike with 0:00 flashing (Fig. 109). Upon entry into Dive Mode the CDT will continue to run in the background and can be
viewed as an ALT screen and turned Off and On.
© Pelagic, 2019
39
AMPHOS AIR 2.0 DC MANUAL
Fig. 104 - FREE SURF MAIN
Fig. 105 - FREE SURF ALT 1
Fig. 106 - FREE SURF ALT 2
Fig. 107A - CDT STATUS
(Off, not set)
Fig. 107B - CDT STATUS
(On, Running)
Fig. 108 - SET FREE CDT
Fig. 109 - FREE SURF MAIN
(during CDT Alarm)
Doc. No. 12-79 3 9 -r01 (11/12/19 )
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