Garmin GMR 21, Owner'S Manual, Page: 9 / 32

GMR 21/41 Owner’s Manual 5
The Radar Configuration Page
The Radar Configuration Page is used to change the look of the Radar
Page. Please refer to the GPSMAP 3000 series owner’s manual for
information about “Configuring the Main Pages.”
To display the Radar Configuration Page:
Press and hold DATA\CONFIG .
The Radar Adjustment Menu
The Radar Adjustment Menu is a numbered list of options that allows
direct access to the settings and features most commonly used on the
Radar Page. There are several adjustment options available: Gain, Sea
Clutter, Rain Clutter, FTC, Zoom, Target Expansion, Trails, Guard
Zone, VRM/EBL, MARPA, and Hide/Show Navigation Features. All
adjustments are made using the Rocker, or Data Entry keys.
GMR 21/41 O
PERATION
> T
HE
R
ADAR
C
ONFIGURATION
P
AGE
—T
HE
R
ADAR
A
DJUSTMENT
M
ENU
Radar Configuration Page
Radar Adjustment Menu