Wiring & specifications – Garmin GPS 120XL User Manual
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APPENDIX B
Wiring &
Specifications
PHYSICAL
Case:
Gasketed construction
Size:
4.9”H x 5.3”W x 2.4”D
(15.6 x 5.1 x 1.23 cm)
Weight:
Less than 1 lb. (454g)
Temperature Range: 5º to 158ºF (-15º to 70ºC)
PERFORMANCE
Receiver:
Differential-ready MultiTrac8
Acquisition Time:
Approx. 20 seconds (warm)
Approx. 2 minutes (cold)
Approx. 7.5 minutes (AutoLocate)
Update Rate:
1/second, continuous
Position Accuracy:
5-10 meters (16-33 ft.) with DGPS corrections*
15 meters (49 ft.) RMS**
Velocity Accuracy:
0.1 knot RMS steady state, 99 knots max.
Dynamics:
Performs specification to 3g’s
POWER
Input:
10-40v DC
Usage:
2 watts
Specifications subject to change without notice
* With optional GARMIN GBR 21 Beacon Receiver Input.
** Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD-imposed
Selective Availability Program.
The GPS 120XL is constructed of high quality
materials and should not require user maintenance. Should
your unit ever need repair, please take it to an authorized
GARMIN service center. The GPS 120XL has no user ser-
viceable parts. Never attempt any repairs yourself.
To protect your GPS, never allow gasoline or other sol-
vents to come in contact with the case or screen. Clean the
case and screen with a soft cloth and a household window
cleaner.
120XL Man RevB 7/10/98 10:55 AM Page 59