Specifications &WiringAPPENDIX B50Never attempt any repairs yourself. To protect your GPS 12XL,keep it in its carrying case when not in use, and never allow gaso-line or other solvents to come into contact with the case. Clean thecase and lens with a soft cloth and a household window cleaner.PHYSICALCase: waterproof*Size: 14.6 x 5.1 x 3.4 cmWeight: Approx 9.5 ounces (269g) w/ batteriesTemperature Range: 5º to 158ºF (-15º to 70ºC)PERFORMANCEReceiver: 12 parallel channel, differential-readyAcquisition Time: Approx. 15 seconds (warm start)Approx. 45 seconds (cold start)Approx. 5 minutes (AutoLocate TM)Update Rate: 1/second, continuousPosition Accuracy: 1-5 meters (3-17 ft.) with DGPS corrections**15 meters (49 ft.) RMS***Velocity Accuracy: 0.1 knot RMS steady stateDynamics: 6gPOWERInput: Four 1.5 volt AA batteries or 10-32 vDCPower Consumption: 1 wattBattery Life: Up to 12 hours (with 4 AA batteries)Internal Backup: lithium batteryNOTE: Alkaline batteries lose a significant amount of their capacity as temperature decreas-es. If you’re using the GPS 12XL in below freezing temperatures, use lithium batter-ies for longer battery life. Extensive use of screen backlighting will significantlyreduce battery life.Specifications subject to change without notice.* Meets IEC (European Community Specification) 529 IPX7 for protection against immersion for30 minutes at a depth of 1 meter.** With optional DGPS Input.*** Subject to accuracy degradation to 100m 2DRMS under the US DOD-imposed SelectiveAvailability Program.