RD-200_Manual操作说明书手册

Thank you for purchasing the RD-200 DIFFEREN-TIAL GPS BEACON RECEIVER.Connecting thisDPGS beacon receiver to the Icom navigation sys-DIFFERENTIAL GPS BEACON RECEIVERtems,will permit the GPS to pinpoint the ship loca-RD-200tion more accurately.Please read these instructionsthoroughly before installing and operating the RD-200.SUPPLIED ACCESSORIES1①Horse band(HAS-40)..2Extention pipe(2273 pipe)....③DGPS receiver....2WHAT IS DIFFERENTIAL GPSThe Differential GPS(DGPS)is a system where the GPS po-For the operators,the position correction data is received atsitioning precision is advanced,and can be utilized efficientlythe Differential GPS beacon receiver and then transferred tofor coastal maneuvers or other times where high precisionthe ship's navigation system.By receiving this new and cor-positioning is vital.In order for the DGPS to be put into prac-rect positioning data the ship's GPS navigation system willtice,a reference station has to be established in close prox-not only decrease the number of accidental errors,but willimity,and a Differential responding GPS ship navigationalso improve the positioning precision.system(sold separately)is to be installed.With the reference station and the remote receiver in closeThe reference station (generally a radio beacon station al-proximity precision is at a high level,but by increasing thisready established)may assign true or arbitrary position read-distance the error count will increase.For the DGPS to coor-ings due to false calculations of coordinates received fromdinate correctly a distance of 100 to 200 miles is the mostthe GPS receiver and coordinates that have been previouslyaccurate range limit.(In reference with RTCM:Radio Technologyreceived at the reference station.In this case,correct posi-Commission for Maritime Services).tional data is produced and this data(RTCM SC-104)is sentout from the beacon transmitter.Satellite…GPS ReceiverPositioncorrectionsGPS receiverBeacon0T四receiverDGPS beaconReferencestationstation7、