The Understanding the Student Side video is immediately available to the parents once they login by clicking the Help link. If you need them to view it before logging in or signing up, you can give them this link on You Tube:
The video will walk them through their account and show them the different features as well as how find and enter information. I'd direct them to the video. If you'd like to embed it, you can get the code from You Tube below the video.