Garmin 23 Owner's Manual And Reference Manual

Also see for GA 23: Specifications

Contents

Garmin 23 Owner's Manual And Reference Manual Manual pdf 19 page image

171) “Check Wiring”displayed on GPS unitPower switch/wiring faulty.Fuse/breaker blown (if used).GBR 23 not wired properly withGPS unit. Check wiring.If the BROWN (Data In) wire isnot used (Auto-tuning), thismessage may be displayed. If thereceiver status screen displaysthe GPS is receiving differentialcorrects, no action is needed.ReferenceTroubleshootingChartThe receiver status indicationat the top left of the SatelliteStatus Page will indicate ‘3DDiff’ or ‘2D Diff’ whendifferential corrections areavailable. A ‘D’ appears atthe bottom of the signalstrength bar for each satellitewith a correspondingdifferential correction.Intermittent connection betweenGBR 23 and GPS unit. Checkwiring.Interference from ship’s electricalsystem, other electronic items,thunderstorm activity, oranother source is preventingsignal lock-on.Also refer to Troubleshootingproblems 5 and 6.Beacon receiver is improperlyconnected or baud rates do notmatch.Please refer to Troubleshootingproblems 5 and 6.4) “RTCM InputFailed” displayed onGPS unit3) “No RTCM Input”displayed on GPS unit2) “No DGPS Position”displayed on GPS unitNot enough data is available tocompute a DGPS position.Please refer to Troubleshootingproblems 5 and 6.Possible CauseProblem5) GPS interfacestatus screen displays“No data” or “NoSignal”Wrong frequency or bit rateselected on GPS unit.Beacon transmitter nottransmitting correction data.