Garmin GPSMAP 721 010-01101-00 用户手册

See the Important Safety and Product Information guide in the 

product box for product warnings and other important 

information.

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Power key

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Automatic backlight sensor

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Touchscreen

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microSD™ memory card slot

• Tap the screen to select an item.
• Drag or swipe your finger across the screen to pan or scroll.
• Pinch two fingers together to zoom out.
• Spread two fingers apart to zoom in.

À

Automatic backlight sensor

Á

Power key

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Device keys

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microSD memory card slot

Turns on and off the device when held.
Adjusts the backlight and color mode.
Zooms out of a chart or view.

Zooms in to a chart or view.

 

 

Scrolls, highlights options, and moves the cursor.

Select Acknowledges messages and selects options.
Back

Returns to the previous screen.

Saves the present location as a waypoint.

Returns to the Home screen.

Opens a menu of options for the page, when applicable.
Closes a menu, when applicable.

When you turn on the chartplotter, the GPS receiver must 

collect satellite data and establish the current location. When 

the chartplotter acquires satellite signals, 

 appears at the top 

of the Home screen. When the chartplotter loses satellite 

signals, 

 disappears and a flashing question mark appears 

over   on the chart.
For more information about GPS, go to 

.

Select Settings > System > Display > Backlight.
TIP: Press   from any screen to access the backlight 

settings.

Select an option:
• Adjust the backlight level.
• Select Enable Auto Backlight or Auto.

Select Settings > System > Display > Color Mode.

Select an option.

You can use optional memory cards in the chartplotter. Map 

cards allow you to view high-resolution satellite imagery and 

aerial reference photos of ports, harbors, marinas, and other 

points of interest. You can use blank memory cards to transfer 

data such as waypoints, routes, and tracks to another 

compatible Garmin chartplotter or a computer.

Open the access door 

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 on the front of the chartplotter.

Insert the memory card 

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 with the label facing to the right.

Press the card in until it clicks.

Close the door.

Waypoints are locations you record and store in the device.

From any screen, select Mark.

Select Nav Info > Waypoints > Create Waypoint.

Select an option:
• To create the waypoint by entering position coordinates, 

select Enter Coordinates, and enter the coordinates.

• To create the waypoint using a chart, select Use Chart, 

select the location, and select Move Waypoint.

When you mark a waypoint, you can designate it as a man 

overboard (MOB) location.

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