Manual Garmin GPSMAP 8422 MFD (page 18 of 62) (English)

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Access the Garmin Quickdraw

Community (

Accessing the

Garmin Quickdraw

Community, page

9).

Select

Share Your Contours.

Browse to your memory card, and select the /Garmin

folder.

Open the

Quickdraw folder, and select the file named

ContoursLog.svy.

After the file is uploaded, delete the ContoursLog.svy file from

your memory card to avoid issues with future uploads. Your data

will not be lost.

Downloading Garmin Quickdraw

Community Maps

You can download Garmin Quickdraw Contours maps that other

users have created and shared with the Garmin Quickdraw

Community.

Insert the memory card into your computer.

Access the Garmin Quickdraw Community (Accessing the

Garmin Quickdraw

Community, page

9).

Select

Search for Contours.

Use the map and search features to locate an area to

download.

The red dots represent Garmin Quickdraw Contours maps

that have been shared for that region.

Select

Select an Area to Download.

Drag the edges of the box to select the area to download.

Select

Start Download.

Save the file to your memory card.

TIP: If you cannot find the file, look in the "Downloads" folder.

The browser may have saved the file there.

Remove the memory card from your computer.

Insert the memory card in the card reader.

The chartplotter automatically recognizes the contours maps.

The chartplotter may take a few minutes to load the maps.

Garmin Quickdraw Contours Settings

From a chart, select

> Quickdraw Contours > Settings

Display

: Displays Garmin Quickdraw Contours. The User

Contours option shows your own Garmin Quickdraw

Contours maps. The Community Contours option shows the

maps you have downloaded from the Garmin Quickdraw

Community.

Recording Offset: Sets the distance between the sonar depth

and the contour recording depth. If the water level has

changed since your last recording, adjust this setting so the

recording depth is the same for both recordings.

For example, if the last time you recorded had a sonar depth

of 3.1 m (10.5 ft.), and today's sonar depth is 3.6 m (12 ft.),

enter -0.5 m (-1.5 ft.) for the a Recording Offset value.

User Display Offset: Sets differences in contour depths and

depth labels on your own contours maps to compensate for

changes in the water level of a body of water, or for depth

errors in recorded maps.

Comm. Display Offset: Sets differences in contour depths and

depth labels on the community contours maps to compensate

for changes in the water level of a body of water, or for depth

errors in recorded maps.

Survey Coloring: Sets the color of the Garmin Quickdraw

Contours display. When this setting is turned on, the colors

indicate the quality of the recording. When this setting is

turned off, the contour areas use standard map colors.

Green indicates good depth and GPS position, and a speed

under 16 km/h (10 mph). Yellow indicates good depth and

GPS position, and a speed between 16 and 32 km/h (10 and

20 mph). Red indicates poor depth or GPS position, and a

speed above 32 km/h (20 mph).

Depth Shading: Specifies the upper and lower limits of a depth

range and a color for that depth range.

Navigation with a Chartplotter

CAUTION

If your vessel has an autopilot system, a dedicated autopilot

control display must be installed at each steering helm in order

to disable the autopilot system.

The Auto Guidance feature is based on electronic chart

information. That data does not ensure obstacle and bottom

clearance. Carefully compare the course to all visual sightings,

and avoid any land, shallow water, or other obstacles that may

be in your path.

When using Go To, a direct course and a corrected course may

pass over land or shallow water. Use visual sightings, and steer

to avoid land, shallow water, and other dangerous objects.

NOTE:

Some chart views are available with premium charts, in

some areas.

To navigate, you must choose a destination, set a course or

create a route, and follow the course or route. You can follow

the course or the route on the Navigation chart, Fishing chart,

Perspective 3D chart view, or Mariner’s Eye 3D chart view.

You can set and follow a course to a destination using one of

three methods: Go To, Route To, or Auto Guidance.

Go To: Takes you directly to the destination. This is the

standard option for navigating to a destination. The

chartplotter creates a straight-line course or navigation line to

the destination. The path may run over land and other

obstacles.

Route To: Creates a route from your location to a destination,

allowing you to add turns along the way. This option provides

a straight-line course to the destination, but allows you to add

turns into the route to avoid land and other obstacles.

Auto Guidance: Uses the specified information about your

vessel and chart data to determine the best path to your

destination. This option is available only when using a

compatible premium chart in a compatible chartplotter. It

provides a turn-by-turn navigation path to the destination,

avoiding land and other obstaclesAuto Guidance

, page

13.

When you are using a compatible Garmin

autopilot

connected to the chartplotter using NMEA 2000

, the

autopilot follows the Auto Guidance route.

NOTE:

Auto Guidance is available with premium charts, in

some areas.

Basic Navigation Questions

Question Answer

How do I make the

chartplotter point me in the

direction in which I want to go

(bearing)?

Navigate using Go To (Setting and

Following a Direct Course Using Go To,

page 12)

How do I make the device

guide me along a straight line

(minimizing cross track) to a

location using the shortest

distance from the present

location?

Build a single-leg route and navigate it

using Route To (

Creating and

Navigating a Route From Your Present

Location, page 12).

How do I make the device

guide me to a location while

avoiding charted obstacles?

Build a multi-leg route and navigate it

using Route To (Creating and

Navigating a Route From Your Present

Location, page 12).

How do I make the device

steer my automatic pilot?

Navigate using Route To (Creating and

Navigating a Route From Your Present

Location, page 12).

10 Navigation with a Chartplotter

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Others manual(s) of Garmin GPSMAP 8422 MFD

Garmin GPSMAP 8422 MFD Installation Guide - English - 14 pages

Garmin GPSMAP 8422 MFD Installation Guide - German - 16 pages

Garmin GPSMAP 8422 MFD User Manual - German - 70 pages

Garmin GPSMAP 8422 MFD Installation Guide - Dutch - 14 pages

Garmin GPSMAP 8422 MFD User Manual - Dutch - 68 pages

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Garmin GPSMAP 8422 MFD Manual

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