Vive Mocap Kit - Support

hi.i just bought the plugin.
here’s a question.i have 8 vive trackers.and i don’t want to use hmd.
i seen this video in your youtube :Vive Mocap Kit - capture animation with Vive Trackers and with no VR headset
(Vive Mocap Kit - capture animation with Vive Trackers and with no VR headset - YouTube)

how can i get into this setting mode?
thank you!