Acquiring Gps Satellite Signals; Adjusting The Backlight; Adjusting The Color Mode; Inserting And Removing Sd Cards - Garmin GPSMAP 4212 Owner's Manual

Acquiring GPS Satellite Signals

When you turn on the chartplotter, the GPS receiver must collect satellite data and establish its
current location. When the chartplotter acquires satellite signals, the signal strength bars at the top
of the Home screen are green
disappear and a flashing question mark appears on the boat icon on the Chart screen.
For more information about GPS, visit the Garmin Web site at www.garmin.com/aboutGPS.

Adjusting the Backlight

1. While the chartplotter is on, press and quickly release the
2. Select Backlight.
3. Select an option to adjust the backlight:
• To allow the chartplotter to automatically adjust the backlight based on ambient light, select
Auto.
• To manually adjust the backlight, select

Adjusting the Color Mode

1. Press and quickly release the
2. Select Color Mode.
3. Select Day Colors, Night

Inserting and Removing SD Cards

Your chartplotter supports Secure Digital (SD) cards. Insert optional BlueChart
cards to view high-resolution satellite imagery and aerial reference photos of ports, harbors, marinas,
and other points of interest. Insert blank SD cards to transfer data such as waypoints, routes, and
tracks to another compatible Garmin device or a computer. The SD card slot is located on the
bottom-right corner of the chartplotter.
• To insert the SD card, open the access door and press the SD card in until it clicks.
• To eject the SD card, press the card in again and release it.
GPSMAP 4000 Series Owner's Manual
. When the chartplotter loses satellite signals, the green bars
Up or Down, or use the Rocker.
Power key.
Colors, or Auto.
Getting Started
Power key.
g2 Vision
®
SD
®
3