The officer must lay a proper foundation for his claim that he visually measured your speed. If not, it's not admissible. So he cannot just say "I visually measured the speed @ 63 MPH" ... object & get this stricken.
Looks like you were looking for an easy out & found that there isn't one in your case ; its fine to look
Now, you have a speeding case w/o an easy out. Go chk case law and see if the law requires the individual make of RADAR must be given judicial notice, not just the technology in general...

