GEM2 Quick Guide GEM2Exporter 700-Series Software version 1.27 GEM2 Android Interface Software version version 2.18
GEM2 brochure GEM2 Operator's manual Using the GEM2 Setting up a Socket 655 for Bluetooth connection with a GEM-2 WinGEM2 Software Manual WinGEM2 Software
GEM3-R brochure
GEM3 Array brochure