Trimble Spectra Precision LL300 - Page 4

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• Useofthisproductbypeopleotherthanthosetrainedonthisproductmayresultinexposuretohazardous
laserlight.
• Donotremovewarninglabelsfromtheunit.
• Thelaserissubjecttoclass2(<3,4mW,630...680nm).
• Duetothesmalldiameterbeam,watchandsecurethecourseofthebeaminremoteareas.
• Neverlookintothelaserbeamordirectittotheeyesofotherpeople.
• Alwaysoperatetheunitinawaythatpreventsthebeamfromgettingintopeople’seyes.
• Ifinitialserviceisrequired,whichresultsintheremovaloftheouterprotectivecover,removalmustonlybe
performedbyfactory-trainedpersonnel.
Caution:Useofotherthanthedescribeduserandcalibrationtoolsorotherproceduresmayresult
inexposuretohazardouslaserlight.
Caution:UsingdifferentthandescribedattheLL300Nuserguide,mayresultinunsafeoperation.
Important Information
The Model LL300N is a simple-to-use tool that allows one or more workers to take accurate horizontal
measurementsatdistancesbetween3ft(1m)and650ft(200m)usingahand-heldorrod-mountedreceiver.
• Alwaysplacethelaserinthemiddleoftheworkingarea.
• Tripod/wallmountoperationisrecommendedfordistancesover20m(65ft).
• Checktheaccuracyregularly.
• Stablemountingisnecessaryforsecureoperations.
• Keeptheglassoftheinstrumentclean.
TABLE OF CONTENTS
FOR YOUR SAFETY 5
Important Information 5
COMPONENTS 6
POWER SUPPLY 6
Installing the Batteries 6
Operating Time 6
Charging the Batteries 7
HOW TO USE THE LASER 7
Laser Setup 7
Self-leveling and Height (HI) Change Alert 7
Manual-/Single Slope Mode 7
OPERATING EXAMPLES 8
Determining the Height of Instrument (HI) 8
Marking Heights 8
Vertical Application 8
LEVELING ACCURACY 9
Inuences on Leveling Accuracy 9
Checking Calibration 9
MAINTENANCE AND CARE 10
SYSTEM CLEANING 10
PROTECTING THE ENVIRONMENT 10
WARRANTY 11
SPECIFICATIONS 11
FOR YOUR SAFETY
Forhazardlessandsafeoperation,readalltheuserguideinstructions.
GB
131050_01_LL300_GB.indd 5 30.10.13 08:12