AfricaprofessionalDATA RADIO FOR SOUTH RTKService coNowonthemarketLuoPanyouthree,respectively,threeyuancompass,sanhesanhecompositecompasscompassandthreeyuan.Learnwhentoselectthreeyuanfengshuisanhecompositeforthecompass. Intheshapeofthecompassfortheforeignparty,andwithinthecompassofyuantongplaterotation,around,roundmusthave360°scaleandinforeignaroundthefourhavetwofixedcrossgeographic.

Electronicrangefinderusingmethodgenerallylargelensapertureisgreaterthan5.6,youcanusetheautofocusfunction,hasnothingtodowithwhenshootingsettheaperturesize, becausefocusingtimecircleisinalargestate.Halfpresstheshutterinfocus,thenyoucanseesome(a)orspecifiedflashtofocusonasmallrectangularboxandcanhear"drop"sound,whichhasgoodfocallength. Thatmeansyouhaveusedtheelectronicrangefinderfocus,focusistheprocessofdistancemeasurement.

Inaelectronictheodoliteandmeasuringpoint.Themainpurposeofthisstepistomakethecenteroftheelectronictheodoliteandmeasuringonsiteislocatedinthesameverticalline. Specifictotheoperation,thebracketofmobileelectronictheodolite,screwrotationofelectronictheodolitefoot,makeelectronictheodolitetomarkalignmentmeasurementinsite.

ThenewwayofscalescorewasusedtophotoelectrictechnologyandelectronicmicrometertechnologymustbecoupledwithopticalAnglemeasuringprinciple. AtpresenttherearethreekindsofopticalAnglemeasuringscale,andtransitzonetypedial,namelylightsheddialandcodingdial,onlyundertheintroductionareatypedialdynamicAnglemeasuringprinciple.Azonetypeglassdial.

Six,beforethemeasurementshouldbemeasuringtoolmeasuringsurfaceandpartsofthemeasuredsurfacetowipeclean, soasnottoaffectmeasuringaccuracyduetopresenceofdirt.Withprecisionmeasuringtoolssuchasverniercaliper,dialgaugeandthedialindicatorandsoon,tomeasuremalleablecastablank, orsurfacewithgrindingagent(suchassiliconcarbide,etc.)iswrong,soeasytomakethemeasuredsurfacequicklywearandlossofaccuracy.