If you want to acquire images at a particular point in time, see triggered image acquisition.
In free run mode, the camera generates all required trigger signals internally. You don't need to apply trigger signals to the camera.
If the camera's acquisition mode is set to Single Frame, the camera generates a single Frame Start trigger signal whenever it receives an Acquisition Start command.
If the camera's acquisition mode is set to Continuous, the following applies:
The rate at which Frame Start trigger signals are generated can be set using the Acquisition Frame Rate feature.
On all Basler cameras, free run image acquisition is enabled by default.
If you have changed your camera settings and want to re-enable free run, carry out the following steps: