The GPS 92 is constructed of high-quality materials and shouldnot require user maintenance. Should your unit ever need repair,please take it to an authorized GARMIN service center. The GPS 92has no user-serviceable parts. Never attempt any repairs yourself. Toprotect your GPS 92, keep it in its carrying case when not in use,and never allow gasoline or other solvents to come into contact withthe case. Clean the case and lens with a soft cloth and a householdwindow cleaner.PHYSICALCase: Ultrasonically welded and sealedSize: 6.15”H x 2”W x 1.23”D (15.6 x 5.1 x 3.12 cm)Weight: Approx 9.5 ounces lbs. (.27 kg)Temperature Range: 5º to 158ºF (-15º to 70ºC)PERFORMANCEReceiver: PhaseTrac12™Acquisition Time: Approx. 15 seconds (warm start)Approx. 45 seconds (cold start)Approx. 5 minutes (AutoLocate)Update Rate: 1/second, continuousPosition Accuracy: 1-5 meters (3.3-16 ft.) with DGPS corrections*15 meters (49 ft.) RMS**Velocity Accuracy: 0.1 knot RMS steady stateDynamics: Performs to specification to 6g’sPOWERInput: Four 1.5 volt AA batteries or 10-32 VDC externalBattery Life: Up to 24 hours (backlighting off)Specifications subject to change without notice.* With optional GARMIN GBR 21 Beacon Receiver Input.** Subject to accuracy degradation to 100m 2DRMS under the US DOD-imposed Selective Availability Program.SpecificationsAPPENDIX B70