Garmin Astro Specifications page 2

Navigation features
Waypoints/icons: 1000 with name and graphic symbol,
10 nearest (automatic), 10 proximity
Routes: 50 reversible routes with up to 250
points each, plus MOB and TracBack
modes
Tracks: 10K automatic track log; 20 saved tracks
500 points each let you retrace your path
in both directions
Trip computer: Current speed, average speed, resetable
max speed, trip timer and trip distance
Alarms: Anchor drag, approach and arrival,
off-course, proximity waypoint,
shallow water and deep water
Tables: Built-in celestial tables for best times
to fish and hunt, sun and moon rise/set
based on location
Map datums: More then 100 plus user datum
Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS,
Loran TDs and other grids, including user
UTM grid only
GPS performance
Receiver: 12 channel SiRFstar III
GPS receiver (WAAS-enabled) continuously
tracks and uses up to 12 satellites to
compute and update your position
Acquisition times:
Warm: < 1 sec
Cold: < 38 sec
AutoLocate ™ : < 45 sec
Update rate: 1/second, continuous
GPS accuracy:
Position: < 10 meters, typical*
Velocity: .05 meter/sec steady state
DGPS (WAAS) accuracy:
Position: < 5 meters, typical
Velocity: .05 meter/sec steady state
Protocol messages: NMEA 0183 output protocol
Antenna: Built-in quad helix receiving antenna
Moving map features
Basemap: Detailed routable basemap with cities,
highways, interstates, exit info, rivers,
lakes; preloaded with worldwide cities
Uploadable maps: Accepts downloaded or plug-in microSD
map detail from a variety of optional
MapSource media
Electronic compass feature:
Accuracy: ±2 degrees with proper calibration
(typical); ±5 degrees extreme northern
and southern latitudes
Resolution: 1 degree
Covey Counter
0407
altimeter feature
Resolution:
Range:
Elevation computer:
®
Pressure:
Power
Source:
Battery life:
Physical
Size:
Weight:
Display:
Case:
Temperature range:
™ high-sensitivity
MURS performance:
Frequencies:
Range:
Trackable units:
Accessories
Standard:
Optional:
™ dog information page
1 foot
–2,000 to 30,000 feet
Current elevation, resetable minimum
and maximum elevation, ascent/descent
rate, total ascent/descent, average and
maximum ascent/descent rate
Local pressure (mbar/inches HG)
2 "AA" batteries (not included)
24 hours
2.25"W x 6.25"H x 1.25"D
(without UHF antenna)
9.25"H with UHF antenna
6.5 ounces (185 g) w/o batteries.
1.5 x 2.2 inches (38.1mm x 56mm)
256-color transflective TFT
(160 x 240 pixels)
Waterproof to IPX7 standards
-4ºF to 158ºF (-20ºC to 70ºC)
151.82 MHZ
151.88 MHZ
151.94 MHZ
154.57 MHZ
154.60 MHZ
(5 miles line of site)
Able to track up to ten DC 20 units
simultaneously
Belt clip
USB PC interface cable
MapSource ® Trip & Waypoint Manager CD
User's manual
Quick reference guide
Wrist strap
Automotive Navigation Kit
(includes City Navigator )
™
Automotive mount
Marine mount
Suction cup mount
Carrying case
12-volt adapter cable
Power/data cable
Magnetic mount antenna
Bike mount
Retractable tether
hunting specific waypoints
Astro 220
™
The Astro 220 series
accepts downloaded
map detail, including
TOPO maps with
elevation information.
The barimetric
altimeter feature on
the Astro 220 provides
elevation profiles for
climbers and hikers.
The dog tracker page
lets you see your dog's
distance, bearing and
status.
With enhanced street
map detail from
optional MapSource
software, you can look
up destinations and
view automatic
point-to-point routes.
©2007 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
1200 East 151st Street
Olathe, Kansas 66062, U.S.A.
913/397.8200 fax 913/397.8282
Garmin (Europe) Ltd
Liberty House
Hounsdown Business Park
Southampton, Hampshire SO40 9RB U.K.
44/1794.519944 fax 44/1794.519222
Garmin (Asia) Corporation
No. 68, Jangshu 2nd Road
Shijr, Taipei County, Taiwan
886/2.2642.9199 fax 886/2.2642.9099
www.garmin.com
Specifications are preliminary and subject to change
without notice.
*
Subject to accuracy degradation to1000m
2DRMS under the U.S. Department of
Defense Selective Availability Program.
**
These units are also able to transfer waypoints,
routes and tracks between the PC and GPS
using MapSource. ™