Garmin echoMAP CHIRP 74cv Owner's Manual

When your compatible chartplotter is connected to an AIS 

device or VHF radio, you can set up how other vessels are 

displayed on the chartplotter.
Select Settings > Other Vessels.
AIS: Enables and disables AIS signal reception.
DSC: Enables and disables digital selective calling (DSC).
AIS Alarm: Sets the collision alarm (

).

NOTE: This procedure deletes all settings information you have 

entered.

Select Settings > System > System Information > Factory 

Settings.

Before you can copy data to the chartplotter, you must have the 

latest version of the HomePort software program loaded on your 

computer and a memory card installed in the chartplotter.

Copy the data from HomePort to the prepared memory card.
For more information, see the HomePort help file.

Insert a memory card into the card slot.

Select User Data > Manage Data > Data Transfer.

If necessary, select the memory card to copy data to.

Select an option:
• To transfer data from the memory card to the chartplotter 

and combine it with existing user data, select Merge from 

Card.

• To transfer data from the memory card to the chartplotter 

and overwrite existing user data, select Replace from 

Card.

Select the file name.

Insert a memory card into the card slot.

Select User Data > Manage Data > Data Transfer > Save 

to Card.

If necessary, select the memory card to copy data to.

Select an option:
• To create a new file, select Add New File, and enter a 

name. The file name is saved with an .adm extension.

• To add the information to an existing file, select the file 

from the list.

You can import and export waypoints and routes from third-party 

devices.

Select Nav Info > User Data > Data Transfer > File Type.

Select GPX.

To transfer data with Garmin devices again, select the ADM file 

type.

Before you can share waypoints and routes, you must connect 

the devices using a data sharing cable. The data sharing cable 

is an accessory you can purchase.
You can share waypoint and route data between two compatible 

chartplotters installed on your boat. You must turn on user data 

sharing for both devices to share data.

Select User Data > Manage Data > User Data Sharing > 

On on both devices.

You can copy maps from the chartplotter to a memory card for 

use with HomePort.

Insert a memory card into the card slot.

Select User Data > Manage Data > Data Transfer.

Select Copy Built-In Map.

Insert a memory card into the card slot.

Select User Data > Manage Data > Data Transfer > Save 

to Card.

Select a file name from the list, or select Add New File.

Select Save to Card.
The file name is saved with an .adm extension.

Remove the memory card, and insert it into a card reader 

attached to a computer.

Open the Garmin\UserData folder on the memory card.

Copy the backup file on the card and paste it to any location 

on the computer.

Insert a memory card into a card reader that is attached to 

the computer.

Copy a backup file from the computer to the memory card, 

into a folder named Garmin\UserData.

Insert a memory card into the card slot.

Select User Data > Manage Data > Data Transfer > 

Replace from Card.

You can save system information to a memory card as a 

troubleshooting tool. A product support representative may ask 

you to use this information to retrieve data about the network.

Insert a memory card into the card slot.

Select Settings > System > System Information > Garmin 

Devices > Save to Card.

If necessary, select the memory card to save system 

information to.

Remove the memory card.

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Chartplotter Data Management