User Manual

8
Automatic PlaneLok mode
The PlaneLok mode can be activated in horizontal and vertical
automatic and manual mode.
InPlaneLokmodewhensetuphorizontal,thebeamwillbelocked
toaxedelevationpoint(upto80m(260ft)locatedononeor
bothaxesateachsideofthelaser.
Forkeepingverticalalignmentsxedtoadirectionpoint,PlaneLok
canbeusedinbothdirectionsontheX-axis.
1. Set up the laser over the reference point.
2.AttachtheHL750receivertoagraderod.Placethereceiver
atthesecondpointandadjustittotheOn-gradeposition.Thereceivershouldbepermanentlymountedat
this location and at the desired elevation.
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PlaneLok.
Inverticalmode,PlaneLokcanbestartedimmediatelybypressingbutton4.
Horizontalsetup Vertical setup
5.Whensetuphorizontally,pressandreleasebutton4toopenthePlaneLoksubmenu;selectthedesired
PlaneLokaxisthenpressbutton4 to start PlaneLok.
Note:Thelaserstartstosearchforthereceiver.AashingReceiverandLocksymbolappearsattheselected
axisandbecomessolidwhenPlaneLokhasbeencompleted.
Note:Whenusedinverticalmode,thereceiverhastobeplaced
with the photocell on the bottom side.
The HL750 display shows a ashing –PL– during the time the
laserissearchingandadjustingthebeamtotheon-gradeposition.
When PlaneLok is complete, –PL– stops ashing at the HL750
display.
Note: The laser continues to servo to the receiver’s signals.
6.ExitingofPlaneLokcanbedonebypressingbutton3(ESC).
Automatic Grade Match
TheGradeMatchmodecanbeactivatedinhorizontalautomaticand
manual mode.
InGradeMatchmode,thelasercanbeusedtomeasuretheexisting
gradevaluebetweentwoknownelevationpoints(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.
mm
120432trimble_UL633_01_GB.indd 8 14.04.12 11:40