24
Rogers and Dr. Michael Powell in 1987. Diving Science and Technology
®
(DSAT), a corporate affiliate of PADI
®
, commissioned these experiments and
now uses the findings in the Recreational Dive Planner
™
distributed by PADI.
One advantage of using the DataMax Pro is its ability to model many
tissue compartments simultaneously. It constantly updates No decompres-
sion Time as the controlling tissue changes with different depths. You always
have a current prediction of remaining no-decompression time regardless of
which compartment of the twelve is in control.
AUDIBLE ALARM
The Pro alerts you when you are approaching dangerous situations with
an Audible Alarm. The Audible Alarm makes one of two primary alarms, a
Double Beep and One Beep per Second, to eliminate confusion (Fig. 22a).
There are also two secondary alarms that mark major transition points (Fig.
22b).
PRIMARY DATAMAX PRO ALARMS
Potential Danger – One Double Beep
During situations that may pose potential danger, one Double Beep emanates
from the DataMax Pro. These situations are as follows:
• Entry into decompression.
• Reaching five minutes of AIR dive time remaining.
• AIR time remaining is within five minutes of required decompression time.
Immediate Danger – continuous One Beep per Second
PRIMARY ALARMS
POTENTIAL DANGER:
IMMEDIATE DANGER:
BEEP!
BEEP!
BEEP...
BEEP...
BEEP...
Fig. 22a – Primary audible
alarms alert you to
impending danger
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