55
The Safety Stop will be displayed until the countdown times out, or you descend below 30
feet (10 meters), or you surface. There is no Penalty if you surface prior to completing the
Safety Stop.
DECOMPRESSION DIVE MODE
The VT Pro is designed to help you by providing a representation of how close you are to
entering Decompression. Decompression Dive Mode (Fig. 64) activates when theoretical
No Decompression time/depth limits are exceeded.
Upon entering Decompression Mode, the Audible Alarm will sound and the red LED Warn-
ing Light will flash for 10 seconds (unless set OFF), or until acknowledged.
• Press and hold the Front (Advance) button for 2 seconds to
acknowledge/silence the Audible Alarm (unless set OFF).
• The UP Arrow and Deco Bar will flash if you are greater than
10 feet (3 meters) deeper than the Required Stop Depth.
• Once you are within 10 feet (3 meters) of, and below, the
Required Stop Depth, both Arrows and the Bar appear solid.
Total Ascent Time
(Fig. 64a)
Total Ascent Time includes Stop Times required at all required
decompression ceilings and vertical Ascent Time calculated at 60
feet (18 meters) per minute for depths deeper than 60 feet (18
meters), and 30 feet (9 meters) per minute for depths of 60 feet
(18 meters) and shallower.
Fig. 64 - Entry into Deco
FEET
ATR
5
10
0
PSI
O
2
a
Deco
Mode icon