Magellan's GPS Receiver 320 用户手册

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页码 78
Magellan GPS 315/GPS 320
59
Specifications
CHARACTERISTICS
Performance
Receiver:
12 parallel-channel technology, tracks up to
12 satellites to compute and update information
with quadrifilar antenna
Acquisition Times (under optimal conditions):
Warm
Approximately 15 seconds
Cold
Approximately 1 minute
Update Rate
1 second continuous
Accuracy:
Position
49 feet (15 meters) RMS (with Selective Availability
turned off )
Velocity
0.1 knot RMS steady state (with Selective Availability
turned off )
Limits:
Speed
951 mph
Altitude
17,500 meters
Physical:
Size
6.2” x 2.0” x 1.3” [h] x [w]  x [d]
15.75 cm x 5.08 cm x 3.30 cm
Weight
7 ounces (198.45 grams) with 2 AA batteries installed
Display
2.2” x 1.33”  [h] x  [w]
5.59 cm x 3.38 cm
high contrast LCD with EL backlit display
Housing
Waterproof (Battery compartment is splashproof )
Temp. Range:
Operating 14˚F to 140˚F to (-10˚C to 60˚C)
Storage
-40˚F to 167˚F (-40˚C to 75˚C)
Power:
Source
2 AA alkaline or lithium batteries or 9-16 VDC with
power cable
Battery Life
Up to 15 hours