Gentex, Motorcycle Accessories, models:

Active Shooter	Operator'S Manual
CVC M9	Operation And Maintenance Manual
HGU-55/P	Operation And Maintenance Instructions With Illustrated Parts Breakdown
HGU-56/P	Operation And Maintenance Instructions
HGU-84/P	Operation And Maintenance Instructions
SPH-4B	Assembly
TBH IIIA Series	Operator'S Manual