Product Manual

Troubleshooting
ReceiverProblems
68
P/N:7010‐1004
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TopconReceiverUtility(TRU)OnlineHelpforadetailed
descriptionofoptions.
Thereceivertrackstoofewsatellites
• Ifthesurveyisconductednearobstructions(treecanopy,tallbuildings,andsoforth).
–MakesuretheMultipathReductionboxeshavebeenenabledinthefielddatacollectionsoftware.
a. ConnectthereceivertoacomputerandopenTRU(see“Connection”intheTopconReceiverUtility(TRU)
OnlineHelpembeddedinthesoftware).
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reductioncheckboxisselected.
• Movetoanareafreeofobstructions,ifpossible.
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“line‐of‐sight”pathtotheRover.
• Thecorrespondingreceiveroptionsmaybedisabledor expired.