Rt1200t won't move after initial startup, GPS is hooked up, so is directv receiver. Unit will go thru elevation check and azimuth check and then it just sits there. I've waited as long as 30 minutes for it to move. I needs one help, I'm a RV Satellite technician and have been one for 16 years so this isn't my first time, but I'm not that familiar with this Winegard model