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Doc. 13300-REC-RevB (2022-05-02)
Recreational Modes
Operating Instructions
Features
• High-contrast 2�6” AOLED display
• Rugged computer construction
• Titanium bezel
• User replaceable battery
• Powerful vibration alerts
• Programmable depth sampling rates
• Depth sensor calibrated to 130 msw
• Depth sensor function past 300 msw
• Crush pressure rating of 290 msw
• 5 customizable gases in technical diving modes
• Any combination of Oxygen, Nitrogen and Helium
(Air, Nitrox,Trimix)
• Full decompression and CCR Support
• External PPO2 monitoring of 1, 2 or 3 ocxygen
cells (Ext� Models Only)
• Bailout rebreather mode (Ext� Models Only)
• Bühlmann ZHL-16C with gradient factors standard
• Optional VPM-B and DCIEM decompression
models
• No lockout for violating deco stops
• CNS Tracking
• Gas Density Tracking
• Quick NDL and full decompression planner built in
• Simultaneous wireless pressure monitoring of up
to 4 cylinders
• Sidemount diving features
• Tilt compensated digital compass with multiple
display options
• Bluetooth Dive log uploading to Shearwater Cloud
• Free firmware updates
1. Introduction
The Shearwater Petrel 3 is a dive computer for
beginner to expert divers�
Please take the time to read this manual� Your safety
may depend on your ability to read and understand
your dive computer’s displays�
Diving involves risk and education is your best tool for
managing this risk�
Do not use this manual as a substitute for proper dive
training and never dive beyond your training� What you
don’t know can hurt you�
