Handleiding Garmin GPSMAP 8700 SERIE (pagina 28 van 80) (Engels)

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Select Start Navigation.

Follow the magenta line, steering to avoid land, shallow

water, and other obstacles.

NOTE: When using Auto Guidance, a gray segment within

any part of the magenta line indicates that Auto Guidance

cannot calculate part of the Auto Guidance line. This is due to

the settings for minimum safe water depth and minimum safe

obstacle height.

Creating and Saving an Auto Guidance Path

Select Info > User Data > Routes & Auto Guidance Paths

> New > Auto Guidance.

Select a starting point, and select Next.

Select a destination, and select Next.

Select an option:

• To view a hazard and adjust the path near a hazard,

select Hazard Review.

• To adjust the path, select Adjust Path, and follow the on-

screen instructions.

• To delete the path, select Cancel Auto Guidance.

• To save the path, select Done.

Adjusting a Saved Auto Guidance Path

Select Info > User Data > Routes & Auto Guidance Paths.

Select a path, and select Review > Edit > Adjust Path.

TIP: When navigating an Auto Guidance path, select the path

on the navigation chart, and select Adjust Path.

Select a location on the path.

Drag the point to a new location.

If necessary, select a point, and select Remove.

Select Done.

Canceling an Auto Guidance Calculation in Progress

From the Navigation chart, select Menu > Cancel.

TIP: You can select Back to quickly cancel the calculation.

Setting a Timed Arrival

You can use this feature on a route or an Auto Guidance path to

get feedback about when you should arrive at a selected point.

This allows you to time your arrival at a location, such as a

bridge opening or a race starting line.

From the Navigation chart, select Menu.

Select Navigation Options > Timed Arrival.

TIP: You can quickly open the Timed Arrival menu by

selecting a point on the path or route.

Auto Guidance Path Configurations

CAUTION

The Preferred Depth and Vertical Clearance settings influence

how the chartplotter calculates an Auto Guidance path. If an

area has an unknown water depth or an unknown obstacle

height, the Auto Guidance path is not calculated in that area. If

an area at the beginning or the end of an Auto Guidance path is

shallower than the Preferred Depth or lower than the Vertical

Clearance settings, the Auto Guidance path may not be

calculated in that area, depending on the map data. On the

chart, the course through those areas appears as a gray line or

a magenta and gray striped line. When your boat enters one of

those areas, a warning message appears.

NOTE: Auto Guidance is available with premium charts, in some

areas.

NOTE: Not all settings apply to all maps.

You can set the parameters the chartplotter uses when

calculating an Auto Guidance path.

Preferred Depth: Sets the minimum water depth, based on

chart depth data, that your boat can safely travel over.

NOTE: The minimum water depth for the premium charts

(made before 2016) is 3 feet. If you enter a value of less than

3 feet, the charts only use depths of 3 feet for Auto Guidance

path calculations.

Vertical Clearance: Sets the minimum height of a bridge or

obstacle, based on chart data, that your boat can safely

travel under.

Shoreline Distance: Sets how close to the shore you want the

Auto Guidance path to be placed. The Auto Guidance path

may move if you change this setting while navigating. The

available values for this setting are relative, not absolute. To

ensure that the Auto Guidance line is placed the appropriate

distance from shore, you can assess the placement of the

Auto Guidance path using one or more familiar destinations

that require navigation through a narrow waterway (Adjusting

the Distance from Shore, page 20).

Adjusting the Distance from Shore

The Shoreline Distance setting indicates how close to the shore

you want the Auto Guidance line to be placed. The Auto

Guidance line may move if you change this setting while

navigating. The available values for the Shoreline Distance

setting are relative, not absolute. To ensure the Auto Guidance

line is placed the appropriate distance from shore, you can

assess the placement of the Auto Guidance line using one or

more familiar destinations that require navigation through a

narrow waterway.

Dock your vessel or drop the anchor.

Select Settings > Preferences > Navigation > Auto

Guidance > Shoreline Distance > Normal.

Select a destination that you have navigated to previously.

Select Navigate To > Auto Guidance.

Review the placement of the Auto Guidance line, and

determine whether the line safely avoids known obstacles

and the turns enable efficient travel.

Select an option:

• If the placement of the Auto Guidance line is satisfactory,

select Menu > Navigation Options > Stop Navigation,

and proceed to step 10.

• If the Auto Guidance line is too close to known obstacles,

select Settings > Preferences > Navigation > Auto

Guidance > Shoreline Distance > Far.

• If the turns in the Auto Guidance line are too wide, select

Settings > Preferences > Navigation > Auto Guidance

> Shoreline Distance > Near.

If you selected Near or Far in step 6, review the placement of

the Auto Guidance line, and determine whether the line

safely avoids known obstacles and the turns enable efficient

travel.

Auto Guidance maintains a wide clearance from obstacles in

open water, even if you set the Shoreline Distance setting to

Near or Nearest. As a result, the chartplotter may not

reposition the Auto Guidance line, unless the destination

selected requires navigation through a narrow waterway.

Select an option:

• If the placement of the Auto Guidance line is satisfactory,

select Menu > Navigation Options > Stop Navigation,

and proceed to step 10.

• If the Auto Guidance line is too close to known obstacles,

select Settings > Preferences > Navigation > Auto

Guidance > Shoreline Distance > Farthest.

• If the turns in the Auto Guidance line are too wide, select

Settings > Preferences > Navigation > Auto Guidance

> Shoreline Distance > Nearest.

20 Navigation with a Chartplotter

Garmin GPSMAP 8700 SERIE Handleiding

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