48
APPENDIX B
Specfications
&
Wiring
Never attempt any repairs yourself. To protect your
GPS 12CX, keep it in a covered container or case when
not in use, and never allow gasoline or other solvents to
come into contact with the case. Clean the case and lens
with a soft cloth and a household window cleaner.
PHYSICAL
Case:
Waterproof*
Size:
5.3 x 14.7 x 3.1 cm
Weight:
Approx 9.5 ounces (269g) w/ batteries
Temperature Range:
5º to 124ºF (-15º to 55ºC)
PERFORMANCE
Receiver:
12 parallel channel, differential-ready
Acquisition Time:
Approx. 15 seconds (warm start)
Approx. 45 seconds (cold start)
Approx. 5 minutes (AutoLocate™)
Update Rate:
1/second, continuous
Position Accuracy:
1-5 meters (3-17 ft.) with DGPS corrections**
15 meters (49 ft.) RMS***
Velocity Accuracy:
0.1 knot RMS steady state
Dynamics:
6g
POWER
Input:
Four 1.5 volt AA batteries or 10-32v DC
Power Consumption:
1 watt
Battery Life:
Up to 36 hours (with 4 AA batteries)
Internal Backup:
lithium battery
NOTE: Alkaline batteries lose a significant amount of their capacity as tem-
perature decreases. If you’re using the GPS 12CX in below freezing tem-
peratures, use lithium batteries for longer battery life. Extensive use of screen
backlighting will significantly reduce battery life.
Specifications subject to change without notice.
* Meets IEC (European Community Specification) 529 IPX7 for protection against
immersion for 30 minutes at a depth of 1 meter.
** With optional DGPS input.
*** Subject to accuracy degradation to 100m 2DRMS under the US DOD-imposed
Selective Availability Program.