Manual Garmin GPSMAP 721 (page 51 of 100) (English)

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GPSMAP 700 Series Owner’s Manual 47

Device Conguration

9. Complete an action:

• If the placement of the Auto Guidance line is satisfactory, select  > . Proceed to

step 11.

• If the Auto Guidance line is too close to known obstacles, from the Home screen, select  >

 >  >  > .

• If the turns in the Auto Guidance line are too wide, from the Home screen, select  >

 >  >  > .

10. If you selected or  in step 9, review the placement of the Auto Guidance line. Determine

whether the line safely avoids known obstacles, and whether the turns enable efcient travel.

Auto Guidance maintains a wide clearance from obstacles in open water, even if you set the Shoreline

Distance setting to  or . As a result, the chartplotter may not reposition the Auto Guidance

line, unless 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 the

functionality of the Shoreline Distance setting.

Setting the Heading Reference

You can set the directional reference used in calculating heading information.

1. From the Home screen, select  >  > .

2. Complete an action:

• Select  (automatic magnetic variation) to set the magnetic declination for your location

automatically.

• Select  to set true north as the heading reference.

• Select toset grid north as the heading reference (000º).

• Select  to set the magnetic variation value manually, enter the magnetic variation, and

select .

Coordinate Systems

Setting the Position Format or the Map Datum Coordinate Systems

You can set the position format in which a given location reading appears, and the coordinate system on which

the map is structured. The default coordinate system is WGS 84.

: Do not change the position format or the map datum coordinate system unless you are using a map or

chart that species a different position format.

1. From the Home screen, select  > .

2. Complete an action:

• Select  to set the position format in which a given location reading appears, and select

a position format.

• Select  to set the coordinate system on which the map is structured, and select a coordinate

system.

Conguring the Time

1. From the Home screen, select  >  > .

2. Complete an action:

• Select  to set a time-keeping standard, and select , , or (universal

time coordinate).

• Select  >  to allow the chartplotter to set the time zone automatically.

• Select  >  to set the time zone manually, enter the time zone hour

adjustment, and select .

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Others manual(s) of Garmin GPSMAP 721

Garmin GPSMAP 721 Installation Guide - English - 10 pages

Garmin GPSMAP 721 Installation Guide - German - 10 pages

Garmin GPSMAP 721 User Manual - German - 104 pages

Garmin GPSMAP 721 Installation Guide - Dutch - 8 pages

Garmin GPSMAP 721 User Manual - Dutch - 100 pages

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Garmin GPSMAP 721 Manual

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