Thank you for purchasing this Johnson 85’ Laser
Distance Meter - the fastest way to measure your
jobsite.
ATTENTION:
• Read all instructions before operating this tool. Do not
remove any labels from the tool.
• Do not project the laser into the eyes of others.
• Do not set up laser tool at eye level, or operate the tool
near reflective surfaces, as the beam can be projected
into your eyes or the eyes of others.
• Do not place the laser tool in a manner that may cause
someone to unintentionally look into the laser beam.
Serious eye injury may result.
• Do not operate the tool in explosive environments, (i.e.,
in the presence of gases or flammable liquids).
• Keep the laser tool out of the reach of children and
other untrained persons.
• Do not attempt to view the laser beam through optical
tools such as telescopes - serious eye injury may result.
• Always turn o the laser tool when not in use or when
left unattended for any period of time.
• Disassembly or repair by unqualified persons will void
the warranty.
• Power on the LDM85 by pressing or .
• Set your desired operating units by holding
until the desired unit is reached, then release.
• Set the measurement reference by pressing
and simultaneously. The tool will indicate the
current reference position:
• Set your operating mode by pressing . See
the TAKING MEASUREMENTS section for more
information on the dierent operating modes.
• Take your measurements by pressing .
• When completed, power o the tool by holding
. The tool will auto-power o in 5 minutes.
LDM85 Operator’s Manual
Download this manual at
www.johnsonlevel.com/manuals
Press to take a measurement. Hold
to adjust units.
Press to power on. Press to adjust
operating mode. Hold to power o.
Press both buttons to adjust
measurement reference.
SAFETY INFORMATION
The LDM85 uses two “AAA” batteries that last for
up to 10,000 measurements, depending on usage.
To insert batteries:
• Depress the knurled area of the
battery door, and slide the battery
door o the tool.
• Insert 2xAAA batteries according
to the indicated polarity, and
replace the cover.
• The tool will indicate remaining power at startup:
0-10% 50-75%10-50% 75-100%
NOTE: When storing the tool for more than three
months, remove the batteries to prevent corrosion.
MAIN COMPONENTS
LCD OVERVIEW
INSTALLING BATTERIES
BUTTON OVERVIEW
GETTING STARTED
EN 60825-1:2007 & EN 60825-1:2014
650nm / Power < 1mW
CLASS 2 LASER PRODUCT
AVOID EXPOSURE
Laser radiation is emitted
from this APERTURE
Complies with 21
CFR 1040.10 and
1040.11 except for
deviations pursuant
to Laser Notice No.
50, dated June 24,
2007.
+
This Class II laser tool complies with CRF 21 parts 1040.10
and 1040.11, IEC 285, and EMC Tests EN61000-6-3;
2001+A11:2004, EN6100-6-1:2011, EN6100-4-2, EN61000-
4-3, EN 60825 & FCC Test Part 15.
LASER EMITTING WINDOW
LCD
MEASURE BUTTON
POWER BUTTON
LASER INDICATOR
REFERENCE INDICATOR
BATTERY STATUS
UNIT DISPLAY
SUB DISPLAY
MAIN DISPLAY
LASER RECEIVING WINDOW
FRONT EDGE REFERENCE
REAR EDGE REFERENCE
THIS TOOL EMITS LASER RADIATION. DO NOT
STARE INTO BEAM. AVOID DIRECT EYE EXPOSURE.
SAFETY LABEL LOCATION
MEASURE
POWER
REF
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