EZ-Guide Plus Lightbar Guidance System Getting Started Guide

Problem Possible cause SolutionFEW SATELLITESmessage flashes onscreenINVALID GPSmessage flashes onscreenLOW ACCURACYNo Correctionsmessage flashes onscreenLOW ACCURACYHigh HDOPmessage flashes onscreenLOW ACCURACYOld Correctionmessage flashes onscreenSearching Sats (0)message flashes onscreen for more than2 minutesThe configurationsettings are notsavedThe lightbar hassuspendedoperationPart of the sky is blockedfrom the view of theantenna.When you power on thereceiver, it may take 1-2minutes to acquireenough satellites.The external GPS receiveris not outputting NMEAGGA messages.The receiver is not gettingcorrection signals.The Horizontal Dilution ofPrecision (HDOP)measure of accuracy istoo high.It is a long time since thereceiver received acorrection signal.The antenna is notconnected to the lightbarproperly.You have a damagedantenna or antennacable.You have cycled powerwhile still in theconfiguration menus.The lightbar has not beenused for some time sohas suspended operationto conserve batterypower.Move to a location where you have a clear view of the sky.Make sure that the antenna is not obstructed.Configure the receiver to output NMEA GGA and VTG at5 Hz, 38400, 8N1.Move the vehicle away from trees and/or buildings.Or, change the Low Acc Warning option to No Warning toenable guidance without corrections.HDOP is affected by the relative position of satellites in thesky. If a portion of the sky is blocked from view, the HDOPmay increase. Move the vehicle away from trees and/orbuildings.Alternatively, change the Low Acc Warning option to NoWarning to enable guidance with a high HDOP.Move the vehicle away from trees and/or buildings.Or, change the Low Acc Warning option to No Warning toenable guidance without corrections.Check that the antenna is properly connected to thelightbar.Select GPS / GPS Diagnostics and view the antenna status.If it reports None or Short Circuit, you have a damagedantenna or antenna cable. Contact your local reseller toarrange for the faulty item to be repaired or replaced.Configuration changes are not saved until you exit from theconfiguration menus and return to guidance. To ensure thatyour changes are saved, always exit the configurationmenus before you disconnect power from the lightbar.Press any key to activate the lightbar.Make sure that you disconnect power from the lightbarwhen it is not in use for long periods of time.60 Troubleshooting EZ-Guide Plus Lightbar Guidance System Getting Started Guide