# Acquire a trial live

Aim

To carry out video tracking in a live situation. Video is not recorded.

Prerequisites

1.in the Experiment Settings, under Video Source select Live tracking.

2.Choose Acquisition > Open Acquisition. In the Acquisition Settings window, select Track next planned trial; do not select Save video.

3.Make sure at least one trial is planned. To add a new trial, in the Playback control window click the New trial button or press Ctrl+F3.

4. important Make sure that video resolution, frame rate and duration do not exceeds the values reported in Resolution, frame rate, and maximum trial duration.

Procedure

1.Choose Acquisition > Start Trial, or press Ctrl+F5, or click the Start trial button in the Playback control window.

2.Release the animal in the arena. As soon as data recording starts, the Video window says Acquiring.

3.The trial stops when the condition before the Stop track box is met, or when you choose Acquisition > Stop Trial, or press Ctrl+F6, or click the Stop trial button.

What next?

▪If you need to enter values of independent variables, click the Independent Variables tab in the Analysis Results and Scoring pane. Edit the values where needed.

▪Remove the animal from the arena and repeat the procedure with the next trial.