Garmin GPSMAP 4008 Owner's Manual

Also see for GPSMAP 4008 - Marine GPS Receiver: Technical reference Important safety information Owner's manual Supplement Owner's manual

Contents

Garmin GPSMAP 4008 Owner's Manual Manual pdf 58 page image

54 GPSMAP® 4000/5000 Series Owner’s ManualDevice Configuration7. Complete an action:• If the placement of the Auto Guidance line is satisfactory, select Menu > Stop Navigation. Proceed tostep 11.• If the Auto Guidance line is too close to known obstacles, from the Home screen, select Configure >Preferences > Navigation > Auto Guidance > Shoreline Distance > Far.• If the turns in the Auto Guidance line are too wide, from the Home screen, select Configure >Preferences > Navigation > Auto Guidance > Shoreline Distance > Near.8. If you selected Near or Far in step 7, review the placement of the Auto Guidance line. Determine whetherthe line safely avoids known obstacles, and whether the turns enable efficient travel.Auto Guidance maintains a wide clearance from obstacles in open water, even if you set the ShorelineDistance setting to Near or Nearest. As a result, the chartplotter may not reposition the Auto Guidance lineunless the destination selected in step 4 requires navigation through a narrow waterway.9. Complete an action:• If the placement of the Auto Guidance line is satisfactory, select Menu > Navigation options > StopNavigation. Proceed to step 11.• If the Auto Guidance line is too close to known obstacles, from the Home screen, select Configure >Preferences > Navigation > Auto Guidance > Shoreline Distance > Farthest.• If the turns in the Auto Guidance line are too wide, from the Home screen, select Configure >Preferences > Navigation > Auto Guidance > Shoreline Distance > Nearest.10. If you selected Farthest or Nearest in step 9, review the placement of the Auto Guidance line. Determinewhether the line safely avoids known obstacles, and whether the turns enable efficient travel.Auto Guidance maintains a wide clearance from obstacles in open water, even if you set the ShorelineDistance setting to Near or Nearest. As a result, the chartplotter may not reposition the Auto Guidance lineunless the destination selected in step 4 requires navigation through a narrow waterway.11. Repeat steps 1–10 at least once more, using a different destination each time, until you are familiar with thefunctionality of the Shoreline Distance setting.Setting the Heading ReferenceYou can set the directional reference used in calculating heading information.1. From the Home screen, select Configure > Preferences > Units > Heading.2. Complete an action:• Select Auto Mag Var (automatic magnetic variation) to set the magnetic declination for your locationautomatically.• Select true to set true north as the heading reference.• Select Grid to set grid north as the heading reference (000º).• Select User Mag Var to set the magnetic variation value manually. Enter the magnetic variation value.Select Done.Coordinate SystemsSetting the Position Format or the Map Datum Coordinate SystemsYou can set the position format in which a given location reading appears, and the coordinate system on whichthe map is structured. The default coordinate system is WGS 84.Note: Do not change the position format or the map datum coordinate system unless you are using a map orchart that specifies a different position format.1. From the Home screen, select Configure > Preferences > Units.2. Complete an action:• Select Position Format to set the position format in which a given location reading appears, and selecta position format.• Select Map Datum to set the coordinate system on which the map is structured, and select a coordinatesystem.Configuring the Time1. From the Home screen, select Configure > Preferences > Units > time.