Sunlight readable,
color LCD display 3.2"W x 3.2"H (4.5"
diagonal) viewing area (320 x 320 pixel) high resolution
Waterproof console
Simple keypad with
backlighting
One knob, adjustable
tilt and swivel mount
Front loading data
cards for easy access
Enhance basemap detail
by plugging in data cards preprogrammed with BlueChart®
or Fishing Hot
Spots® detail or downloading data from optional
MapSource CDs to an optional Garmin data card
Can upgrade the GPSMAP
172 to a full-fledge combination chartplotter/sounder
by adding a Garmin GSD 20 "black box"
sonar & transducer
WAAS-enabled accuracy
to within 3 meters
3000 user waypoints
are automatically tagged with the date & time
of creation
Stores 50 reversible
routes to 50 waypoints each, plus MOB & TracBack
modes
10,000 active track
points, 1000 saved points
Sends, receives and
display positioning data with DSC-equipped VHF radios