IO Tab

The IO Tab allows for acquisition-related functionality such as executing user functions and starting/stopping acquisitions with precise timing.

Related Documentation:

Acquisition Triggering GUI

Table Column	Description
Port	The hardware terminal where the digital signal will be detected.
Edge	Whether the port receiving the TTL will be triggered by a rising or falling edge.
Software Trigger	This button directly issues a software trigger to start/stop an acquisition or to advance logging to the next file beginning at the next frame.
Enable	This button enables or disables all acquisition triggering.

User Functions

By using the ScanImage API, scripting custom functionality is possible with user functions. A user function has three arguments: the source (the UserFunction class), event (a Matlab EventData class), and a cell array of additional arguments.

More details on user functions can be found on the user functions page.

Element	Description
Function Selection	Dropdown to select current user function Note Select the plus (+) option to add a new function to the dropdown
Delete	Deletes the currently selected user function from the dropdown
Event Name	Dropdown to select the event that will trigger the user function
Enable	Checkbox to enable or disable the function call when the event is triggered
Arguments	Pass in a cell array of additional arguments to the function