I brought it to my professor's office hours and we put it through some proper paces, and unfortunately it seems like the laser is non-functional. As b...

@dougie The manual is here but unfortunately it doesn't have a date of manufacture (or even a copyright date for the manual) which makes me think 80s ...

Hi all, what a strange coincidence -- I'm the buyer on eBay. I'm a college Computer Science student getting a minor in Geomatics, and since we're lea...