
GPSMAP 620 and GPSMAP 640 Owner’s Manual 5
Marine Mode: Getting Started
Marine Mode: Getting Started
Step 1: Mount Your GPSMAP 620 or
GPSMAP 640
1. Install the marine mount in your boat according to the
GPSMAP 620/640 Marine Mount Installation Instructions.
2. Place the device in the marine mounting bracket (page 2).
Step 2: Congure Your Device
To power on your device if it does not power on automatically,
press and hold 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 620 or
GPSMAP 640, press and hold .
Step 3: Acquire Satellites
1. Go outdoors to an open area, away from tall buildings and
trees.
2. Turn on your GPSMAP 620 or 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 device has acquired satellite signals. Now you can select a
destination and navigate to it.
Step 4: Use Your GPSMAP 620 or
GPSMAP 640
➊ ➋ ➌ ➍
➎
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
GPS satellite strength.
➌
Battery status.
➍
Current time.
➎
Home screen categories and actions. Touch an icon to view the
associated menu or perform the associated action.