User's Manual

Troubleshooting
ReceiverProblems
71
P/N:7010Ͳ1004
Thereceiverdoesnotlockontosatellitesforalongperiodoftime
• Thecorrespondingreceiveroptionsmaybedisabled orexpired(L1/L2,GPS/GLONASSmustbeontotracksatellites).
–OrderanewOAFwiththedesiredoptionsactivatedtoenableorextendvalidityofthecorrespondingreceiver
options.ContactadealerorvisittheTopconwebsitefordetails.
–Refertothe“ReceiverManaging”chapteroftheTo pconReceiverUtility(TRU)ReferenceManualforadetailed
descriptionofoptions.
Thereceivertrackstoofewsatellites
• Thesurveyisconductednearobstructions(treecanopy,tallbuildings,andsoforth).
–MakesuretheMultipathReductionboxeshavebeenenabled.
a. ConnectthereceivertoacomputerandopenTRU(see“Connection”intheTopconReceiverUtility(TRU)
ReferenceManual).
b. InTRU,connecttothereceiver.
c. OntheTRUmainwindow,chooseReceiverSettings

Tracking

Advtab.MakesuretheC/Acode
multipathred
uctioncheckboxisselected.
• Movetoanareafreeofobstructions,ifapplicable.
ThereceivercannotobtainCodeDifferentialand/orRTKsolutions
• IncorrectBasecoordinatesentered.
–SpecifythecorrectcoordinatesfortheBasestationusingTRUoranothersuitablefielddatacollectionsoftware.
• Therecouldbesomeobstructiontotheconnection.
–ClearallpossibleobstructionsorrelocatetheBasesothereisa“lineͲofͲsight”pathtotheRover.
• Thecorrespondingreceiveroptionsmaybedisabled orex pired.