5
TABLE OF CONTENTS
FOR YOUR SAFETY 5
Important Information 5
COMPONENTS 6
SETTING TO WORK 6
Rotation mode 6
Pointing mode 6
Line/scanning mode 7
Self-leveling and Height Change alert 7
LEVELING ACCURACY 7
Influences on Leveling Accuracy 7
Accuracy Check 7
OPERATING EXAMPLES 8
Marking Heights 8
Adjusting in Parallel 9
Right Angles/Vertical Mode 9
Transferring marks to the Ceiling - Plumb Point 9
POWER SUPPLY 10
Installing Batteries 10
Operating Time 10
Charging 10
PROTECTING THE UNIT 10
CLEANING AND MAINTENANCE 10
PROTECTING THE ENVIRONMENT 10
WARRANTY 11
TECHNICAL DATA 11
FOR YOUR SAFETY
• 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 3R (< 5mW, 600 ... 680nm - HV301; 532 ... 545nm - HV301G).
• 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 the unit different than described at the HV301 user guide, may result
in unsafe operation.
The HV301 is a simple-to-use laser that allows you to take accurate horizontal/vertical measurements, 90º-
and plumb point transfer.
Important Information
• Always mark in the center of the laser beam
• Always place the laser in the middle of the working area
• Tripod/wallmount operation is recommended for distances over 65 feet (20 m)
• Check the accuracy regularly
• Stable mounting is necessary for secure operations
• Keep the glass of the instrument clean
GB
LASER RADIATION
AVOID DIRECT EYE
EXPOSURE
CLASS 3R LASER PRODUCT
For hazardless and safe operation, read all the user guide instructions.
090042_01_HV 301G_GB_05-11.indd 5090042_01_HV 301G_GB_05-11.indd 5 02.02.2009 9:16:09 Uhr02.02.2009 9:16:09 Uhr
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