Manual Aeris A300 AI (page 15 of 52) (English)

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A300 AI OPERATING MANUAL

FO2 50% Default -

> When the Default is set OFF, FO2 values will remain set at their last settings saved until 24 hours elapse without conducting

a dive.

> When the Default is set ON and FO2 is set for Nitrox, 10 minutes on the surface after that dive the FO2 will be displayed

as 50 and further dives will be calculated based on 50% O2 for oxygen calculations and 21% O2 for Nitrogen calculations

(79% Nitrogen), unless FO2 is set before the dive.

> FO2 will continue to reset to the Default after repetitive dives until 24 hours elapse with no dive, or the Default is set OFF.

SET F (FO2) MENU, information includes (Fig. 22):

> Graphics SEt and MENU,

with the following graphic selections with their last Set Points saved.

> GAS1 AIR

Set Points of AIR, 21 to 100%, increments of 1%

> GAS2 32%

Set Points of OFF, AIR, 21 to 100%, increments of 1%

> GAS3 80%

Set Points of OFF, AIR, 21 to 100%, increments of 1%

> GAS4 OFF

Set Points of OFF, AIR, 21 to 100%, increments of 1%

> DEFAULT ON

Set Points of OFF, ON

When Gas 2 is OFF, Gas 3 & 4 remain OFF, and when Gas 3 is OFF Gas 4 will remain OFF. This blocks access to the Gas

Switch screens for gasses not selected for use.

During the time that numeric FO2 values (21 to 100) are ﬂashing, the MOD (Max Operating Depth) allowed for the PO2

alarm set will be displayed in place of the graphic SEt, and the PO2 alarm value set will be displayed in place of the

graphic MENU.

• S (< 2 sec) - to access Set F Menu while the selection Arrow icon ( > ) is next to Set F on the NORM Menu.

• 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 ( > ).

This causes the FO2 setting to ﬂash allowing it to be set.

• S (2 sec) - to step back from Set F Menu to SET Menu.

SET FO2 & PO2 ALARMS:

• A (press/hold), while the FO2 digits are ﬂashing (Fig. 23A) - to scroll upward through the Set Points from Air to 21 through

100 in 1% increments, at a rate of 8 per second.

The scroll will stop when the button is released, or momentarily at 32, then 50, then 80 (%).

• A (< 2 sec) - to step upward through FO2 Set Points one at a time.

• M (< 2 sec) - to step back through FO2 Set Points one at a time.

• S (< 2 sec) - save the FO2 setting, and ﬂash the PO2 digits if Nitrox (Fig. 23B), or revert to SURF MAIN if Air.

• A (< 2 sec) - to step upward through PO2 Alarm Set Points from 1.00 to 1.60 (ATA) in .05 increments.

• M (< 2 sec) - to step back through PO2 Set Points.

• S (< 2 sec) - to save the PO2 setting and access Set Gas 2.

• S (2 sec) - to revert to Set F Menu displaying the settings.

• M (2 sec) or if no button is pressed during a 2 minute period - to revert to SURF MAIN.

Once any Gas is set for Nitrox, any other Gas set for Air will automatically be set to 21%.

SET FO2 50% DEFAULT, information includes (Fig. 23C):

> Graphics DEFAULT and 50.

> Set Point graphic OFF (or ON), ﬂashing.

> Nx icon.

• A or M (< 2 sec) - to toggle between OFF and ON.

• S (< 2 sec) - to save the setting and revert to Set F.

SET A (ALARMS) MENU, information includes (Fig. 24A/B):

> Graphics SEt A and MENU,

with the following graphic selections with their last Set Points saved.

> AUD ON

Set Points of OFF, ON >> Audible.

> DEPTH 140 FT

Set Points of OFF, 30 to 330 FT (or 10 to 100 M), increments of 10 FT (3 M).

> EDT 60 MIN

Set Points of OFF, 10 to 180 MIN, increments of 5 MIN >> Elapsed Dive Time.

> TLBG* 4 BAR

Set Points of 1 to 4 BAR, increments of 1 BAR >> Tissue Loading Bar Graph.

> DTR* 5 MIN

Set Points of OFF, 1 to 20 MIN, increments of 1 MIN >> Dive Time Remaining.

> TURN 1400 PSI

Set Points of OFF, 1000 to 3000 PSI (or 70 to 205 BAR), increments of 250 PSI (5 BAR).

> END 500 PSI

Set Points of 300 to 1500 PSI (or 20 to 105 BAR), increments of 100 PSI (5 BAR).

*These items apply to NORM only.

• A (< 2 sec) to toggle or increase Set Point.

• A (hold) to increase Set Point at a rate of 8 per second.

• M (< 2 sec) to decrease Set Point.

• S (< 2 sec) to save the setting and revert to the Set A Menu.

• S (2 sec) - to step back from Set A Menu to SET Menu.

Fig. 22 - SET F MENU

(stepping through)

Fig. 23A - SET FO2

(changing the setting)

Fig. 23B - SET PO2 ALARM

(after FO2 setting is saved)

Fig. 23C - SET FO2 50%

DEFAULT

Fig. 24A - SET A MENU

(stepping through)

Fig. 24B - SET END ALARM

(sample of changing a setting)

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Aeris A300 AI Manual

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