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 83 page image

Trip Computer— provides readouts for average speed, maximum speed,odometer, trip odometer and trip timer. These readouts can be reset from the TripComputer Options.To reset a trip computer readout(s):1. Press MENU (with the Trip Computer Page displayed). An options list is displayed.2. To reset all trip computer readouts, highlight ‘Reset All’ and press ENTER.3. To reset a single readout item, highlight the desired option and press ENTER.NOTE: The ‘Reset Trip’ option resets trip odometer, trip timer and average speed readouts.Vertical Nav— allows you to define a vertical navigation profile used to descend(or climb) to a target altitude at a specified location. See pages 43-45.E6B— provides calculation features for density altitude, true airspeed and windsaloft. The winds aloft function will calculate wind direction, speed and the head/tailwind component.To calculate density altitude and true airspeed:1. Select the ‘Density Altitude’ file tab using the rocker keypad.2. Highlight the ‘Indicated Altitude’ field and press ENTER. Enter the altitude from youraltimeter and press ENTER.3. Highlight the ‘Calibrated Airspeed’ field and press ENTER. Enter the airspeed fromyour airspeed indicator and press ENTER.4. Highlight the ‘Pressure’ field and press ENTER. Enter the current altimeter setting(barometric pressure) and press ENTER.‘Trip Computer’ providesreadouts for the trip odometer,trip timer, average speed andmaximum speed. Options areprovided to reset these figures.Density altitude and true air-speed may be calculated byentering values for indicatedaltitude, calibrated airspeed,barometric pressure and totalair temperature. 75REFERENCEMain Menu#?