GPSMAP 640 Owner’s Manual 5
Marine Mode: Getting Started
Marine Mode: Getting Started
Step 1: Mount Your GPSMAP 640
1. Install the marine mount in your boat according to the
GPSMAP 620/640 Marine Mount Installation Instructions.
2. Place the GPSMAP 640 in the mounting bracket (see page 2).
Step 2:
To power on your GPSMAP 640 if it does not power on
automatically, press and hold the Power key until the Garmin
logo appears on the screen. Follow the on-screen prompts to set up
the marine mode on the device for the rst time. To power off your
GPSMAP 640, press and hold the Power key.
Step 3: Acquire Satellites
1. Go outdoors to an open area, away from tall buildings and
trees.
2. Turn on your GPSMAP 640.
Acquiring satellite signals can take a few minutes. The bars
indicate satellite strength. When at least one of the bars is green,
your GPSMAP 640 has acquired satellite signals. Now you can
select a destination and navigate to it.
Step 4: Use Your GPSMAP 640
➊ ➋ ➌➍
➎
➏
Marine Mode: Home Screen
➊
Usage mode. A boat icon represents marine mode, and a car
icon represents automotive mode. Touch this icon to change
modes.
➋
XM
®
satellite strength (only available on the GPSMAP 640
when using an optional GXM 40 XM antenna).
➌
GPS satellite strength.
➍
Battery status.
➎
Current time.
➏
Home screen categories and actions. Touch an icon to view the
associated menu or perform the associated action.
