Garmin GPS III Owner's Manual

Also see for GPS III: Declaration of conformity Quick guide Owner's manual Owner's manual

The other primary navigation screens are the HSI and Highway pages, with theHSI Page appearing first in the sequence of main pages.To view the HSI Page, press PAGE.The HSI Page provides graphic steering guidance to your destination waypoint.The page features a graphic HSI (horizontal situation indicator), including a rotating‘compass card’ that shows your course over ground (track) while you’re moving, acourse pointer and CDI (course deviation indicator) which indicate the desiredcourse to your destination. The compass card, pointer arrow and CDI work inde-pendently to show—at a glance—the direction you’re travelling, the desired courseand whether or not you are off course.At the center of the CDI is a ‘D-bar’, or course deviation bar. If you move offcourse, the D-bar will indicate how far off course you are and in what direction. Thescale for the CDI is indicated at the bottom of the page. The scale represents thedistance from the center of the CDI to full left or right limits.As you approach the waypoint, a TO/FROM indicator will signal waypoint cross-ing. The current speed, distance to the next waypoint, time to the next waypoint andvertical speed to target are all displayed to the right of the graphic HSI. To see how allthis works on our simulated trip, let’s head off course and watch the displays change.To move off course/on course in simulator mode, use the LEFT/RIGHTkeys on the rocker keypad.From the HSI Page, you canincrease/decrease thesimulated speed using theUP/DOWN keys on therocker keypad.To move off course in simula-tor mode, use the LEFT/RIGHT rocker keypad keys.22SIMULATOR TOURHSI PagePointer(Desired Course)Compass Card(Track)D-bar andCDI ScaleBug IndicatorTO/FROM Indicator