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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fixedelevationpoint(upto80m(260ft)locatedononeaxis

at each side of the laser.

Forkeepingverticalalignmentsfixed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(X-onlyGL622)thenpressbutton4 to start PlaneLok.

Note:Thelaserstartstosearchforthereceiver.Aflashing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flashing –PL– duringthe timethe

laserissearchingandadjustingthebeamtotheon-gradeposition.

When PlaneLok iscomplete, –PL– stopsflashing 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).

130533trimble_GL622_00_Buch 8 29.05.13 07:15

Spectra Precision Trimble GL622 User Manual

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