Garmin Astro 220 Owner's Manual - Page 61

Accuracy, Miscellaneous, Power, Radio, Velocity, Compass, Altimeter, Interfaces, Data Storage Life - map card

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Accuracy GPS: < 33 ft. (10 m) 95% DGPS: 10-16 ft. (3-5 m) 95% typical (WAAS accuracy in North America) Velocity: 0.164 ft./sec. (0.05 m/sec) steady state Miscellaneous Compass: Accuracy (when calibrated); ± 2 degrees, resolution; 1 degree Altimeter: Accuracy (when calibrated): ± 10 ft. (3 m) Resolution: 1 ft. (0.3 m) Range: from -2,000 ft. to 30,000 ft. (from -610 to 9144 m) Interfaces: USB for computer interface Data Storage Life:Indefinite; no memory battery required Map Storage: microSD card capacity (a small portion of the card capacity is used for formatting) Appendix Power Source: Astro 220: Two 1.5 volt AA batteries, vehicle power adapter, USB data cable DC 30: Internal rechargeable lithium-ion battery, vehicle power adapter, AC charger Battery Life: Astro 220: Up to 24 hours (typical use). Alkaline batteries lose capacity as temperature decreases. Use lithium batteries when operating in below-freezing conditions. DC 30: from 17 to 36 hours. Recharging takes 4½ hours. Radio MURS (Multi-use Radio Service) Frequency: 151.82 MHz 151.88 MHz 151.94 MHz 154.57 MHz 154.60 MHz Range: Up to 7 miles (11.2 km) - line of sight Astro Dog Tracking System Owner's Manual 55

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Astro
Dog Tracking System Owner’s Manual
´´
Appendix
Accuracy
GPS:
< 33 ft. (10 m) 95%
DGPS:
10–16 ft. (3–5 m) 95% typical
(WAAS accuracy in North America)
Velocity:
0.164 ft./sec.
(
0.05 m/sec) steady state
Miscellaneous
Compass:
Accuracy (when calibrated); ± 2 degrees,
resolution; 1 degree
Altimeter:
Accuracy (when calibrated): ± 10 ft. (3 m)
Resolution: 1 ft. (0.3 m)
Range: from -2,000 ft. to 30,000 ft. (from
-610 to 9144 m)
Interfaces:
USB for computer interface
Data Storage Life:
Indefinite; no memory battery
required
Map Storage:
microSD card capacity (a small
portion of the card capacity is used
for formatting)
Power
Source:
Astro 220:
Two 1.5 volt AA batteries, vehicle
power adapter, USB data cable
DC 30: Internal rechargeable lithium-ion battery,
vehicle power adapter, AC charger
Battery Life:
Astro 220: Up to 24 hours (typical
use). Alkaline batteries lose capacity as temperature
decreases. Use lithium batteries when operating in
below-freezing conditions.
DC 30: from 17 to 36 hours. Recharging takes 4½
hours.
Radio
MURS (Multi-use Radio Service) Frequency:
151.82 MHz
151.88 MHz
151.94 MHz
154.57 MHz
154.60 MHz
Range:
Up to 7 miles (11.2 km) - line of sight