54 GPSMAP 400/500 Series Owner’s Manual
Appendix
Appendix
Specications
Physical Specications
Size : 400 Series: W × H × D: 5.7 in. × 5.0 in. × 3.0 in.
(14.5 cm × 12.7 cm × 7.6 cm)
500 Series: W × H × D: 5.9 in. × 6.4 in. × 2.9 in.
(15.0 cm × 16.3 cm × 7.4 cm)
Weight:
400 Series: 1.30 lb. (560 g)
500 Series: 1.75 lb. (800 g)
Display: GPSMAP 420/421/450/451:
4.0 in. diagonal (10.6 cm),
QVGA display with adjustable brightness, 320 × 234 pixels.
GPSMAP 520/521/550/551: 5.0 in. diagonal (12.7 cm), QVGA
display with adjustable brightness, 320 × 240 pixels.
GPSMAP 525/526/555/556:
5.0 in. diagonal (12.7 cm), Full
VGA display with adjustable brightness, 640 × 480 pixels,
capable of 4,096 colors.
Case:
Fully gasketed, high-impact plastic alloy, waterproof to
IEC 529 IPX7 standards.
Temp. Range: From 5ºF to 131ºF (from -15ºC to 55ºC)
Compass-Safe Distance:
38 in. (95 cm)
Performance
Receiver: Differential-ready 12 parallel channel WAAS-capable
receiver
Acquisition Times:
*
GPSMAP 420/420s GPSMAP 450/450s
GPSMAP 520/520s GPSMAP 525/525s
GPSMAP 526/526s GPSMAP 556/556s
GPSMAP 550/550s GPSMAP 555/555s
Warm: Approximately 15 seconds
Cold: Approximately 45 seconds
AutoLocate
®
(factory reset): Approximately 2 minutes
GPSMAP 421/421s GPSMAP 451/451s
GPSMAP 521/521s GPSMAP 551/551s
Warm: Approximately 1 second
Cold: Approximately 38 seconds
AutoLocate (factory reset): Approximately 45 seconds
*Average acquisition times for a stationary receiver with a clear
view of the sky.
Update Rate: 1/second, continuous
GPS Accuracy:
Position: <49 ft. (15 m), 95% typical
Velocity: 0.164 ft./sec 0.05 m/sec steady state