27
Set Mode Access Timing
While in Surface Mode, press Both buttons simultaneously and
hold -
• after 2 seconds, SET: 1 appears (Fig. 21)
• after 2 more seconds, SET: 2 appears (Fig. 22)
• Access is gained by releasing the buttons during the 2
second window in which SET: 1 or SET: 2 appears, then
pressing the Front (Advance) button.
• If the buttons are held longer, and SET 1 and 2 are both
bypassed, the unit will go to Simulator (Demo) Mode which is
described on page 75.
• While in the Set Mode, if neither button is pressed during a 2
minute period, the unit will revert to Surface Mode.
ENTERING SETTINGS -SET MODE #1
TO SET - FO2
(while in the Surface Mode)
Factory set for AIR, FO2 can also be set to values between 21
and 50% in increments of 1%.
• Press Both buttons simultaneously, release when SET: 1
appears (2 seconds).
• Press and release the Front (Advance) button,
FO2
appears
with the set point value flashing (Fig. 23).
Fig. 23 - Set FO2
Fig. 21 - Set 1
ATR
O
2
Fig. 22 - Set 2
ATR
O
2
ATR
O
2
