Furuno Operator's Manual for NAVnet version 1 models GD1700 GD1700C GP1700 GP1700C Printed with Color Cover, All Pages Black & White, Bound Editions C thru F cover Furuno NAVnet version 1 models: GD1700 GD1700C GP1700 GP1700C Edition H covers Furuno NAVnet version 1 models: GD1700 GD1700C GP1700 GP1700C and GD1710C GP1710C