Garmin Astro - Appendix; Specifications

64 Astro Dog Tracking System Owner’s Manual
Appendix
Appendix
Specications
Physical
Size: Astro 220 - 6.25" H x 2.25" W x 1.25" D
DC 20 - 1.75” H x 3.25” W x 1.5” D
Weight: Astro 220 - 6.5 ounces (185 g) w/o batteries installed.
DC 20 - 6.0 ounces (170g) w/battery pack- w/o collar
attachment plate
Display: Astro 220 - 1.5" W x 2.2" H, 256-color, high resolution,
transreective (160 x 240 pixels) with backlighting.
Case: Rugged, fully gasketed, water resistant, IEC-529, IPX7
Temp Range: Astro 220 -4 to 158
°
F (-20 to 70
°
C)
*
DC 20 -4 to 140
°
F (-20 to 60
°
C)
DC 20 charging temp. 32 to 113
°
F (0 to 45
°
C)
*The temperature rating of the Astro System may exceed the usable range of some
batteries. Some batteries can rupture at high temperatures.
GPS Performance
Receiver: WAAS enabled
Acquisition Times
*
:
Approximately 1 second (warm start)
Approximately 38 seconds (cold start)
Approximately 45 seconds (factory reset)
*
On average for a stationary receiver with an open sky view.
Update Rate: 1/second, continuous
Antenna: Astro 220 -Built-in quad helix
DC 20 - Built-in Patch
Accuracy
GPS: <10 meters (33 feet) 95%
DGPS: 3-5 meters (10-16 feet) 95% typical
*
*
WAAS accuracy in North America.
Velocity: 0.05 meter/sec steady state
Miscellaneous
Compass: Accuracy; +/- 2 degrees
*
, resolution; 1 degree
Altimeter: Accuracy; +/- 10 feet
*
, resolution; 1 ft.
Range -2,000 to 30,000 feet
*
Subject to proper user calibration.
Interfaces: USB for computer interface
Data Storage Life: Indenite; no memory battery required
Map Storage: Depends on microSD card capacity
*
*A small portion of the card capacity has been used in formatting the card for use.
Power
Source: Astro 220 - Two 1.5 volt AA batteries, USB Data Cable,
Vehicle Power Adapter
DC 20 - Internal rechargeable lithium-ion battery,
Vehicle Power Adapter, AC charger