Shearwater Desktop 2.5.0
New Features/Improvements:
Multiple select - You can now select multiple dives with ctrl or shift + click. This allows new interactions:
Mass dele...
Why do you calibrate a CCR with pure Oxygen?
A CCR diver often has multiple gasses available, any of which could in theory be used for calibrating the O2 sensors in the CCR. The simple answer is that pure O2 is the best gas for a calibration source, read on to find out why.
Multiple Languages Available for Perdix and Petrel
The Petrel Firmware allows for multiple language selections on your Petrel Dive Computer. The great benefit of this feature is that all menus are translated, keeping the Petrel easy to use for non-English speakers.
Flying After Diving
At Shearwater, we place a high value in the work being done by the scientific community relating to diving and decompression theory. We do our best...
Petrel Firmware V29 is Released
The following is a list of improvements provided by the latest firmware version for the Petrel. This download is recommended for all users of the Petrel and Petrel2 dive computers.
NERD v10 Update Reason
A problem in NERD firmware v09 for DiveCAN models has been identified. It affects the PPO2 used for decompression calculations. Any DiveCAN users o...
NERD Firmware V09
Release notes for the NERD Firmware V09. Released on June 17, 2015.
Should rebreather divers prebreathe test their rebreathers prior to a dive?
Reviewed in 2025.
For many years it has been common practice for rebreather divers to start breathing from their rebreather prior to the dive. Ther...
Shearwater Spans the Globe
We were very busy at Shearwater during the month of March. We managed to trot around the globe to 3 different trade shows: OZTek Dive Conference & Exhibition, Dive Resort Travel Shanghai, and Beneath the Sea.
