Violation Gauge Mode On The Surface; High Po; Alarm; Po 2 During Decompression - Aqua Lung i550C Owner's Manual

VGM (VIOLATION GAUGE MODE) ON THE SURFACE
Upon surfacing, the VGM Dive Main will remain on display for 10 minutes with Surface Interval time displayed
with the SURF icon flashing. The graphic VIOL will also still be displayed flashing. Operation will also enter VGM
5 minutes after surfacing from a dive in which a Delayed Violation occurred.
> A full 24 hour continuous surface interval must then be served before all functions are restored.
> During that 24 hours, VGM does not allow access to the SET GAS, PLAN, and FLY/SAT (Desat) features/
screens.
> The FLY countdown indicates time remaining before normal operation can resume with full features and func-
tions.
VGM SURFACE < 10 MIN

HIGH PO

2
Alarm >> at Set Point value, except in Decompression then at 1.60 only

Alarm

If PO continues to increase and reaches the alarm set point, the audible alarm sounds again. The
2
PO2 value, UP message, and Up Arrow icon will flash until PO
After the audible alarm is silenced, the PO
DURING AUDIBLE ALARM
flashing
PO During Decompression
2
The PO alarm setting does not apply when in Decompression. If PO
2
pression Stop, the PO
*PO on for 10 seconds, gas pressure on for 50 seconds until PO
2
alternate with
gas pressure
© Aqua Lung International, Inc. (2018)
flashing
flashing
value (1.60) with icon will alternate with gas pressure.
2
VGM SURFACE > 10 MIN
decreases below the alarm set point.
2
will alternate with gas pressure.
2
AFTER AUDIBLE ALARM
alternate with
UP message
and arrow
alternate
with PO
2
decreases below 1.60, then PO
2
41
DIVE OPERATION
reaches 1.60 while at a Decom-
2
will not be displayed.
2
Doc. 12-7909-r06 (7/10/19)