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  9. Johnson 40-6705 User manual

Johnson 40-6705 User manual

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Thank you for purchasing this Johnson laser detector! This laser
detector locates red beam (635/650nm) rotary lasers and is ideal for
outdoor and indoor jobsites, large or small, where it’s dicult to see
the laser beam with the naked eye.
This detector features simple one-button operation to get you up
and running quicky. It has an ultra-bright LED display to indicate
grade position and audio alerts to help you locate the laser beam
quickly and easily.
This laser detector features:
• Accuracy of 0.06”
• Ultra-bright LED display
• Audio indicator
• 6-minute auto-o timer
• Grade rod clamp
• 45-hour battery life with
low-battery indicator
• Dust and rain resistant construction
40-6705 Laser Detector Operator’s Manual
www.johnsonlevel.com/manuals
INSERTING BATTERIES
1. Remove the battery cover by depressing gently on the battery
door arrow and sliding the cover in the direction indicated by the
arrow. Lift the exposed end, and remove the cover.
2. Insert the two included AAA batteries into the housing according
to the polarity indicated in the battery housing.
3. Replace the battery cover.
LOW BATTERY INDICATOR
GETTING STARTED
1. Insert the included AAA batteries. See “INSERTING BATTERIES.”
2. Attach the detector to the included clamp (if using a grade rod)
or remove the clamp if using the detector on a standalone basis.
3. Press to turn on the detector.
4. Operate the detector. See “USING THE DETECTOR.”
5. When you are finished using the detector, power it o by
pressing . This detector will also automatically power o
after 6 minutes of inactivity (no buttons pressed or laser signals
received).
This laser detector is equipped with a low battery
indicator to help you diagnose common battery-
related issues.
1. At startup, the center LED will flash red/green, and
the detector will emit one beep to confirm startup.
2. If the bottom LED flashes red continuously, the
batteries are low and will need to be replaced soon.
3. If the detector beeps twice and powers o, the
batteries are exhausted beyond use and need to be
replaced immediately.
4. If the detector fails to power on, it is likely that the batteries are
fully exhausted.
5. To prolong the life of your detector and prevent corrision, it is
recommended to remove the batteries if you will not use the
detector for a long period of time (approximately three months).
PRESS & SLIDE LIFT REMOVE
www.johnsonlevel.com/manuals
USING THE DETECTOR
1. Follow the instructions in “GETTING STARTED” to prepare the
detector for use.
TIP: If the rotary laser you are using has multiple rotational speed
options, use the highest speed when working with the detector.
This will make it easier to locate the laser beam.
2. Position the detector so the detection window is facing the laser
and nothing (including your own body) is in between the detector
and the laser.
TIP: Be cautious of laser reflections from windows, trucks and
other surfaces that can cause laser reflection and erroneous
signals.
3. Move the detector perpendicular to the plane of laser light until
you begin to locate the beam. The detector will beep, and the
LED’s will begin to light.
4. Move the detector in the direction indicated by the LED’s in order
to locate the laser beam:
GRADE ROD
CLAMP
GRADE POSITION
INDICATORS
LED DISPLAY
DETECTION WINDOW
POWER BUTTON
GRADE ROD
(NOT INCLUDED)
IF NOT USING A GRADE ROD:
Read grade position using the grade
position indicator on the housing of
the laser detector (shown in the blue
circle in the image to the left).
For your convenience, an indent in
the housing will help center a pencil,
marker or other marking tool so that
you can mark the grade position
directly on your work surface.
0.74’
MOVE UP MOVE DOWN NEAR GRADE ON GRADE
(bottom red) (top red) (center orange) (center green)
IF USING A GRADE ROD: The top edge of the grade rod clamp is
the grade position indicator. Read grade along this edge (indicated
by the blue line in the image below). In this image of a ft/100’s
(engineer’s scale) grade rod, the grade reading would be 0.74’.
READING THE GRADE POSITION INDICATORS