51
VARIABLE ASCENT RATE INDICATOR
The Variable Ascent Rate Indicator (VARI) shows how fast you
are ascending. When you exceed the maximum recommended
Ascent Rate for the depth you are at, it will enter the red (Too
Fast) zone and you will be alerted all segments of the Bar Graph
flashing (Fig. 55), an Audible alarm, and the red LED Warning
Indicator, unless set OFF. The warnings will stop when your
Ascent Rate is slowed.
• At depths greater than 60 feet (18 meters), maximum recom-
mended rate is 60 feet/minute (18 meters/minute).
• At depths of 60 feet (18 meters) and shallower, maximum
recommended rate is 30 feet/minute (9 meters/minute).
AIR TIME REMAINING BAR GRAPH
The Air Time Remaining Bar Graph (ATRBG) (Fig. 56a) displays
remaining breathing gas times of 60 minutes and less. As Air
Time Remaining decreases, segments are removed from the Bar
Graph from the top (green) toward the bottom (red) in increments
of 10/5 minutes (from 60 to 0 minutes).
When the time decreases to the Alarm set point , the Audible
Alarm will emit a beep and the red Warning LED will flash until
acknowledged. You should begin a safe controlled ascent to the
surface.
Fig. 56 - ATRBG
Fig. 55 - Ascent Too Fast
FEET
ATR
5
0
PSI
O
2
a
FEET
ATR
5
10
20
0
PSI
O
2
