Origin ADCPs have a battery disconnect to preserve battery life.
When the battery disconnect is inserted into an Origin ADCP, all power to the instrument is shut off and the status LED will not flash.
To enable power, unplug the battery disconnect and the status LED will begin flashing. If a measurement schedule was in progress prior to insertion of the battery disconnect, this will be resumed when the disconnect is later removed.
Once you have completed your mission, simply re-insert the battery disconnect to power off your Origin ADCP and preserve its battery.
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