Algumas unidades do computador Petrel 2 da Shearwater necessitam de uma atualização emergencial no firmware, para corrigir um problema na medição do sensor de O2. Leia o comunicado na integra publicado pelo fabricante:
Some Petrel 2 models with analog PPO2 monitoring require a firmware update to correct offsets to voltage measurements of the O2 sensor channels. Only Petrel 2 models that shipped from the factory with v29 firmware and include analog PPO2 monitoring are affected.
Records exist of the proper calibration values, so the calibration can be loaded into affected units by matching the serial number to the recorded data. Shearwater Desktop software can apply these corrections.
This problem can be corrected in firmware by following these steps:
- Update the Petrel 2 to firmware v37 or higher.
- Install Shearwater Desktop v2.5.6 or higher.
- Go to the “Help->Correct O2 Offset” menu option in Shearwater Desktop.
- Follow the on-screen prompts.
Should you have any concerns or problems with performing the correction, please contact Shearwater Research Inc. at info@shearwater.com or 1-604-669-9958.
If you’d like to read more about this issue please Click Here.
Also we’d like to thank Shearwater user David Welch for his assistance in discovering this problem !
Fonte: https://www.shearwater.com/shearwater-announcements/o2-offset-public-notice/
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