Change an ac-9 Plus from Data Logger to ac-9 Mode
Within several seconds the host program (right) displays:
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Select Advanced User from the Modes menu
at the top of the window.
Select Get Setup.
The resulting Port Setup and Logger Control tabs are shown
below.

Port Setup tab, Moored Logging mode
To switch from Data
Logger mode to Direct To ac9 without cycling
power: |

Port Setup tab in Direct To ac9 mode

Logger Control tab in Direct To ac9 mode.