Purchased this Bushnell neo+ mod. 36 8150 on eBay. It was sold as a demo unit, no return. I took a chance on it. I received it in a unopened original Bushnell shrink rapped box. Registered and sync'd the unit on iGolf. Everything works except it doesn’t display any yardage. I contacted both iGolf and Bushnell support, both said in essence that a demo unit won't work, although I have seen factory demo's being sold on various websites. 1 tech. @ IGolf uploaded to me 2...