Datalogic Matrix 320 Product Reference Manual page 120

SOFTWARE CONFIGURATION
Alternatively a hybrid configuration can be made where more than one Image Setting
can be grouped into an Acquisition Sequence by dragging it into the desired Sequence
box. Select the empty Sequence box and delete it with the delete key.
Each Acquisition Sequence can be activated exclusively by a single event, either
through a string from an available communication channel or by a digital input.
In this case the Start Acquisition From parameter can improve the read rate for that
Sequence. It has no meaning for a Sequence containing only one Image Setting.
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MATRIX 320