Garmin GPSMAP A12, Owner'S Manual

Deleting a Waypoint or an MOB

1

Select 

Info

 > 

User Data

 > 

Waypoints

.

2

Select a waypoint or an MOB.

3

Select 

Review

 > 

Delete

.

Deleting All Waypoints

Select 

Info

 > 

User Data

 > 

Delete User Data

 > 

Waypoints

 > 

All

.

Routes

A route is a path from one location to one or more destinations.

Creating and Navigating a Route From Your Present 

Location

You can create and immediately navigate a route on the 

Navigation chart or the Fishing chart. This method does not 

save the route or the waypoint data.

1

From the Navigation chart or Fishing chart, select a 

destination.

2

Select 

Route To

.

3

Select the location of the last turn before the destination.

4

Select 

Add Turn

.

5

If necessary, repeat to add turns, working backward from the 

destination to the present location of your vessel.
The last turn you add should be the first turn you make, 

starting from your present location. It should be the turn 

closest to your vessel.

6

If necessary, select 

Menu

.

7

Select 

Done

.

8

Review the course indicated by the magenta line.

9

Follow the magenta line, steering to avoid land, shallow 

water, and other obstacles.

Creating and Saving a Route

This procedure saves the route and all the waypoints in it. The 

starting point can be your present location or another location.
You can add up to 250 waypoints, or turns, to one route.

1

Select 

Info

 > 

User Data

 > 

Routes & Auto Guidance Paths 

> 

New

 > 

Route Using Chart

.

2

Select the starting location of the route.

3

Select 

Add Turn

.

4

Select the location of the next turn on the chart.

5

Select 

Add Turn

.

The chartplotter marks the location of the turn with a 

waypoint.

6

If necessary, repeat steps 4 and 5 to add more turns.

7

Select the final destination.

Viewing a List of Routes and Auto Guidance Paths

1

Select 

Info

 > 

User Data

 > 

Routes & Auto Guidance Paths

.

2

If necessary, select 

Filter

 to see routes only or Auto 

Guidance paths only.

Editing a Saved Route

You can change the name of a route or change the turns the 

route contains.

1

Select 

Info

 > 

User Data

 > 

Routes & Auto Guidance Paths

.

2

Select a route.

3

Select 

Review

 > 

Edit Route

.

4

Select an option:
• To change the name, select 

Name

, and enter the name.

• To select a waypoint from the turn list, select 

Edit Turns

 > 

Use Turn List

, and select a waypoint from the list.

• To select a turn using the chart, select 

Edit Turns

 > 

Use 

Chart

, and select a location on the chart.

Browsing for and Navigating a Saved Route

Before you can browse a list of routes and navigate to one of 

them, you must create and save at least one route.

1

Select 

Info

 > 

User Data

 > 

Routes & Auto Guidance Paths

.

2

Select a route.

3

Select 

Navigate To

.

4

Select an option:
• To navigate the route from the starting point used when 

the route was created, select 

Forward

.

• To navigate the route from the destination point used 

when the route was created, select 

Backward

.

A magenta line appears. In the center of the magenta line is 

a thinner purple line that represents the corrected course 

from your present location to the destination. The corrected 

course is dynamic, and it moves with your boat when you are 

off course.

5

Review the course indicated by the magenta line.

6

Follow the magenta line along each leg in the route, steering 

to avoid land, shallow water, and other obstacles.

7

If you are off course, follow the purple line (corrected course) 

to go to your destination, or steer back to the magenta line 

(direct course).

Browsing for and Navigating Parallel to a Saved 

Route

Before you can browse a list of routes and navigate to one of 

them, you must create and save at least one route.

1

Select 

Info

 > 

User Data

 > 

Routes & Auto Guidance Paths

.

2

Select a route.

3

Select 

Navigate To

.

4

Select 

Offset

 to navigate parallel to the route, offset from it 

by a specific distance.

5

Indicate how to navigate the route:
• To navigate the route from the starting point used when 

the route was created, to the left of the original route, 

select 

Forward - Port

.

• To navigate the route from the starting point used when 

the route was created, to the right of the original route, 

select 

Forward - Starboard

.

• To navigate the route from the destination point used 

when the route was created, to the left of the original 

route, select 

Backward - Port

.

• To navigate the route from the destination point used 

when the route was created, to the right of the original 

route, select 

Backward - Starboard

.

6

If necessary, select 

Done

.

A magenta line appears. In the center of the magenta line is 

a thinner purple line that represents the corrected course 

from your present location to the destination. The corrected 

course is dynamic, and it moves with your boat when you are 

off course.

7

Review the course indicated by the magenta line.

8

Follow the magenta line along each leg in the route, steering 

to avoid land, shallow water, and other obstacles.

9

If you are off course, follow the purple line (corrected course) 

to go to your destination, or steer back to the magenta line 

(direct course).

Initiating a Search Pattern

You can initiate a search pattern to search an area. Different 

patterns are better suited for different search situations.

Navigation with a Chartplotter

17