Violation Gauge Mode On The Surface; High Po; Alarm - Aqua Lung i550 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
Warning >> at Alarm Set Point value minus .20
Alarm >> at Set Point value, except in Decompression then at 1.60 only
Warning
When PO (partial pressure of oxygen) increases to the Warning level; the audible alarm sounds and
2
the PO value will flash (in place of gas pressure) until the audible alarm is silenced.
2
DURING AUDIBLE ALARM

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
© Aqua Lung International, Inc. (2016)
flashing
flashing
VGM SURFACE > 10 MIN
AFTER AUDIBLE ALARM
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
39
DIVE OPERATION
Doc. 12-7840-r03 (3/28/16)