52 Forerunner
®
301 Owner’s Manual
APPENDIX > SPECIFICATIONS
Specifications
Physical
Case: Fully-sealed, high-impact plastic alloy,
waterproof to IEC 60529 IPX7 standards
(waterproof to 1 meter for 30 minutes)
Size: 3.26” x 1.71” x 0.69”
(82.8 mm x 43.4 mm x 17.5 mm)
Weight: Approx. 2.75 oz (78 g)
Temperature Range:
-4 °F to 140°F (-20 °C to 60°C)
(operating)
Display: 100 x 64 pixels, W 1.44” x H 0.92”
(36.49 mm x 23.35 mm)
Power
Input: Rechargeable built-in lithium-ion battery
Battery Life: 14 hours, typical use
Performance
Receiver: 12 parallel channel
Acquisition Time:
Warm Start: Approx. 15 seconds
Cold Start: Approx. 45 seconds
AutoLocate
®
: Approx. 5 minutes
Update Rate: 1/second, continuous
GPS Accuracy:
< 15 meters RMS
1
, 95% typical
2
Velocity Accuracy:
0. 1 knot RMS steady state
Dynamics: Performs to specifications to 6 g’s
Antenna: Built-in patch
1
Subject to accuracy degradation to 100 m 2DRMS under the U.S.
DOD-imposed Selective Availability program (when activated).
2
Accuracy depends on view of the sky. 99%–clear view; 95%–typical.
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