![Aeris CompuMask Operating Manual Download Page 75](http://html.mh-extra.com/html/aeris/compumask/compumask_operating-manual_2861741075.webp)
75
ATR, identified by the ATR icon, is displayed digitally at the
lower/left of the MAIN Dive screen (Fig. 63a).
In the event that ATR becomes less than NDC and O2 Time, it
will be displayed on the Main Display as Dive Time Remaining
(DTR) until it becomes greater than one or the other.
Air Time Remaining (ATR) Alarm
When ATR decreases to 5 minutes (0:05), the Audible Alarm will
sound and the ATR value (lower/left) will flash.
If ATR decreases to 0:00, the Audible will sound again. The
message Atr will flash in place of DTR (Fig. 64) until ATR
becomes greater than 5 minutes (0:05).
You should immediately initiate a controlled Ascent while moni-
toring your Tank Pressure. However, there is no reason to
panic, the CompuMask has allowed for the Air necessary for a
safe Ascent including the No Deco Safety Stop, if set On, and
any Decompression Stops required. Example:
You set the End Pressure Alarm for 300 PSI (20 BAR)
You are at a Depth of 60 FT (20 M)
Air Time Remaining decreases to 0:00
You Ascend at a maximum rate of 30 FPM (10 MPM)
You surface with 300 PSI (20 BAR) pressure still in your
Tank.
Fig. 63 - MAIN DIVE
DISPLAY
a
Fig. 64 - ATR ALARM
Summary of Contents for CompuMask
Page 1: ......
Page 78: ...78 This page intentionally left blank ...
Page 96: ...96 This page intentionally left blank ...
Page 122: ...122 This page intentionally left blank ...
Page 149: ......