
Shearwater DiveCAN
®
Petrel
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The Main Screen
The main screen shows the most important information needed for technical diving�
Color Coding
Color coding of text draws attention to problems or unsafe
situations�
White text indicates normal conditions�
YELLOW
is used for warnings that are not immediately
dangerous but should be addressed�
FLASHING RED
is used for critical alerts that could be life
threatening if not immediately addressed�
The warning or critical alert states can be determined
without the use of color�
Warnings display on a solid inverted background�
Critical alerts
flash between inverted and normal text.
Color Blind Users
Depth, Time &
Deco Stops
PPO2
Mode, Gas &
Deco Info
Warning - doesn't flash
Critical alert - flashes
Flashes
Sample warning -
a better gas is available
Sample critical alert -
continuing to breathe this
gas could be fatal
Flashes