When setting the AZA logging schedule for a Fetch AZA in Subsea Array Manager (SAM) it is essential that logging for AZA is configured to start after the instrument has reached the seabed. This article details why this is important.

When selecting the start time of AZA logging during the Fetch AZA configuration process in SAM, you need to allow sufficient time for the instrument to reach the seabed before the logging cycle begins.

The start time must be set sufficiently in the future to allow time to deploy and to send the command to start the logging for both sensors and the AZA cycle.

This is so that the first AZA cycle is not instigated when experiencing large changes in water pressure as it descends through the water column during deployment.

Large changes in water pressure need to be avoided during an AZA cycle because the pump will have difficulty trying to match the transfer (intermediate) pressure to the ambient if the ambient pressure is changing.

You can find out more detail on how to setup and deploy a Fetch AZA by watching the video below or by reading the other Fetch FAQ.