Garmin GPS III Owner's Manual

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

Garmin GPS III Owner's Manual Manual pdf 52 page image

To create a vertical navigation profile:1. Select the Main Menu by pressing MENU twice.2. Select ‘Vertical Nav’ using the rocker keypad and press ENTER.3. With the ‘Target Altitude’ field highlighted, press ENTER. Enter the desired target alti-tude and press ENTER.4. With the altitude reference field (immediately to the right of ‘Target Altitude’) high-lighted, press ENTER. Select ‘Above Wpt’ or ‘MSL’ (as desired) and press ENTER.‘Above Wpt’ will use the altitude of a destination airport as stored in the internalJeppesen database. ‘MSL’ lets you set a specific target altitude for any waypointcategory: airport, VOR, NDB, intersection or user waypoint.5. With the waypoint distance ‘By’ field highlighted, press ENTER. Enter an offset dist-ance from the destination waypoint where the target altitude should be reached. Ifthe target altitude occurs at the destination waypoint, enter a distance of zero. PressENTER when finished.6. With the offset direction field (immediately to the right of ‘By’) highlighted, pressENTER. Select ‘Before’ or ‘After’ and press ENTER. This setting designates whetherthe offset distance defines a point before you reach the destination waypoint or afteryou reach the destination waypoint.7. When using a route, the ‘VNav Waypoint’ field allows you to specify which routewaypoint will be used for the vertical navigation profile. By default, the GPS III Pilotwill select the last waypoint in the route. To select a different waypoint, highlight the‘VNAV Waypoint’ field, press ENTER, select the desired waypoint and press ENTER.8. The default profile utilizes a 400 foot-per-minute descent rate. To change the rate,highlight the ‘Profile’ field, press ENTER, enter a new rate and press ENTER again.9. To enable/disable all vertical navigation messages, highlight the ‘Message’ field andpress ENTER. Select ‘On’ or ‘Off’ (as desired) and press ENTER.Your target altitude can bedefined as height ‘Above Wpt’or ‘MSL’. ‘Above Wpt’ onlyapplies to airports. Use ‘MSL’for all other waypoint types.When using a route, verticalnavigation can apply to anywaypoint along the route byselecting it as the ‘VNAVWaypoint’.44REFERENCEVertical Navigation