Garmin GPS III Owner's Manual

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

Capture VNAV Profile— is used to center/re-center the VNAV indicator (see illus-tration to the right) on the HSI display. To utilize this feature, a GOTO or route mustbe in use and a valid vertical navigation profile must be entered on the vertical navi-gation setup page (see the following page and page 75).Cancel Capture— is used to return the VNAV indicator to the settings originallyentered on the vertical navigation setup page (see the following page and page 75).Vertical NavigationThe GPS III Pilot’s vertical navigation feature allows you to create a three-dimensional profile which guides you from your present position and altitude to afinal (target) altitude at a specified location. Once the profile is defined, message alertsand additional data on the HSI Page will keep you informed of your progress.NOTE: To use the vertical navigation feature, your speed must be greater than 35knots and you must be navigating to a GOTO destination or using a route.When using the verticalnavigation features, a VNAVindicator (moving horizontalbar) will guide you as youdescend to the target altitude.The Main Menu’s ‘Vertical Nav’option allows you to define thetarget altitude and where itshould occur. The default set-tings are intended to guide youto pattern altitudes. 43REFERENCEHSI Page OptionsVNAV PROFILEGLIDE RATIO TO TARGETDISTANCE TO TARGETDISTANCE TO PROFILETARGET ALTITUDEAIRPORT#?