Shearwater Petrel
Revision 1.1.0
9
Shearwater Research Inc.
The Top Row
The top row shows depth and time information
Depth
Imperial: In feet (no decimal places)�
Metric:
In meters (displays with 1 decimal place up to 99�9m)
Note: If the depth shows a
Flashing Red
zero, then the
depth sensor needs service�
Ascent Bar Graph
Shows how fast you are currently ascending�
Imperial: 1 arrow per 10 feet per minute (fpm) of ascent rate�
Metric:
1 arrow per 3 meters per minute (mpm) of ascent rate�
White when 1 to 3 arrows,
Yellow
when 4 to 5 arrows, and
Flashes Red
when 6 arrows or more�
Note: Deco calculations assume 33fpm (10mpm) ascent rate�
Dive Time
The length of the current dive in minutes�
The seconds display as a bar drawn below the word “Time�” It
takes 15 seconds to underline each character in the word� Does
not display the seconds bar when not diving�
Battery Icon
Yellow
when the battery needs to be changed�
Red
when the battery must be replaced immediately�
The default behavior is that battery icon is shown on the
surface but disappears when diving� If low or critical then the
battery icon will appear while diving�
229
25
TIME
69.7
DEPTH
in feet
in meters
30 fpm
9 mpm
50 fpm
15 mpm
60+ fpm
15+ mpm
DEPTH
25
TIME
in minutes
seconds bar
at about 45s
OK
low battery
change
now!
Summary of Contents for Petrel EXT
Page 1: ...Standalone EXT Models...