Spectra UL633-1 Laser Level User Manual


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2.AttachtheHL750receivertoagraderod.Checkthelaser’selevationnexttothelaserthenpositionthe
receiveratthesecondpointWITHOUTchangingthereceiver’selevationontherod.
3.Usethesightingguidesonthetopofthelasertoalignthelasertothereceiver.Turnthelaseronthetripod
untilitisroughlyalignedtothereceiver’sposition(thealignmentrangeforbothaxesis+/-40°).
4.PressandreleasetheMENUbuttonattheStandardDisplayandselectGradeMatch.
5.SelectthedesiredGradeMatchaxisthenpressbutton 4tostartGradeMatch.
Note:Thelaserstartstosearchforthereceiver.AashingReceiverandangle
symbolappearsattheselectedaxisanddisappearswhenGradeMatchhas
been completed.
Whilethelaserissearchingandadjustingthebeamtotheon-gradeposition,the
HL750displayshowsaashing–GM–.
WhenGradeMatchhasbeencompleted,theHL750goesbacktothestandard
elevationdisplay.Theremotecontrolaswellasthelaserwilldisplaythenal
measured grade value.
Note
:IfGradematchcan’tbecompletedbycheckingthelimits,thelasercomes
withanErrormessage(GradeMatchhasFailed)whichcanbedeletedwithbutton4(OK).TheHL750goes
back to standard elevation indication.
Manual Grade Match
InManualGradeMatch,thebeamonbothaxescanbeadjustedtothereceiver‘son-gradeposition,e.g,when
otherreceiversastheHL750areused.ThegradefortheY-axiscanbeadjustedwithbutton5/8 while button 6/7
adjusttheX-axis.DuringManualGradeMatchacrossedvialandanglesymbolappearnexttothecontinuously
changingY-andX-axisgradevalue.Afteradjustingtothereceiver’son-gradeposition,pressbutton2 (OK) to
gobacktoautomaticmodewherethenalgradevaluewillbeshownforbothaxes.
Note: Pressing button 3(ESC)exitsManualGradeMatchandchangestheunittomanualmode.
Automatic Axis Alignment
AutomaticAxisAlignmentmodeadjustsautomaticallythedirection
thegradeaxisispointingtothereceiver’slocationbyanelectronically
simulationofrotatingtheunitonitsbasetomatchthehub.UsingAxis
Alignment,thelaseraxescanbealignedtooneortwodirectionhubs
(upto80m(260ft)locatedononeorbothaxesateachsideofthelaser.
1. Set up the laser over the reference point.
2.PlacethegraderodwiththeattachedHL750receiveratthe
desired direction hub.
3.Usethesightingguidesonthetopofthelasertoalignthelaserto
the receiver. Turn the laser on the tripod until it is roughly aligned
tothereceiver’sposition(thealignmentrangeforbothaxesis+/-40°).
mm
111560trimble_UL633_01_GB.indd 9 19.01.12 13:24
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