Introduction
Receiver
Thank you for choosing the Spectra Precision® Laser Receiver HR150
from the Trimble® family of precision instruments. The HR150 is a
battery-operated laser receiver that detects a rotating laser beam and
indicates its position relative to the beam using LEDs.
Features and Functions
HR150 Receiver
1. Power/Audio Button—is a
multi-functional button that
turns on/off the receiver and
audio function.
07. Clamp-Tab Recess—is the
area that the general-purpose
clamp’s release tab fits into.
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User Guide
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Before using the receiver, be sure to read this user guide carefully.
Included in it is information about setting up, using, and maintaining
the receiver. Also included in this manual are CAUTIONS and Notes.
Each of these words represents a level
of danger or concern. A CAUTION indicates a hazard or unsafe
practice that could result in minor injury or property damage.
A Note indicates important information unrelated to safety.
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08. Label—shows the serial
2. Marking Notches (both
sides)—align with the
on-grade portion of the
photocell and are used to
mark elevation readings.
The marking notches are
50mm (2 inches) from the
top of the receiver.
number and bar code.
09. Magnet—holds the receiver
on a wall molding, cross-T,
runner, etc.
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10. Battery Housing—holds two
AA alkaline or Ni-Cd
batteries.
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Your comments and suggestions are welcome; please contact us at:
Trimble Construction Division
5475 Kellenburger Road
Dayton, Ohio 45424-1099 U.S.A.
Phone: (937) 245-5600
(800) 538-7800
11. Battery Door—holds the
3. LEDs (front and back)—
batteries securely in place.
show the position of the
receiver relative to the laser beam (high, on-grade, or low), and
indicate power and low-battery status.
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12. Neck Cord Holder—allows a
neck cord to be attached to
the receiver.
FAX:
(937) 233-9004
4. Level Bubble—is used to make sure that the receiver is level.
5. Photocell—detects the laser beam when it strikes the receiver.
6. Audio Port—is the opening the sound comes out of.
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Learning the Receiver Functions
How to Use the Receiver
LED/Audio Information
LED/Audio Indication Function
Turning On/Off the Receiver
1. Press the power/audio button to turn on the receiver.
Using the Receiver with a Laser
1. Press the power/audio button to turn on the receiver.
2. Position the receiver so that its photocell faces the laser.
Installing/Removing the Batteries
Audio Output
Green LED: flashes
Receiver is on
N/A
Note: When the receiver is initially turned on, all LEDs and the
audio signal turn on for one second (diagnostic mode).
once every two seconds
3. Move the receiver up/down until the LEDs show an on-grade
reading.
Top red LED: flashing High
Fast beeping tone
Continuous tone
Slow beeping tone
Note: The on-grade LED flashes once every two seconds to show
that the receiver is on.
Green LED: flashing
On-grade
Note: The top/bottom red LEDs flash when the receiver is above
or below the laser beam. The green LED flashes when the receiver
is on grade.
2. Press and hold the power/audio button for two seconds to turn off
the receiver.
Bottom red LED:
flashing
Low
Note: When the receiver is being turned off, all the LEDs and the
audio signal quickly turn on for one second.
Both red LEDs:
flashing in sequence
Low battery
N/A
High
Selecting the Audio Function
Speaker beep
Audio on
3 beeps
The receiver always starts up with the audio mode active.
Beam location
Single beep
On Grade
Low
Low Battery
1. Release the battery door using your fingers, a coin, or a
screwdriver. Open the door.
1. Press the power/audio button repeatedly to turn on/off the
audio function.
2. Install/Remove the 2 AA batteries noting the positive (+) and
negative (–) diagram on the bottom of the battery housing.
Note: If the audio function is on, the receiver beeps quickly when
the receiver is above the laser beam, slowly when below it, and
continuously when centered in the laser beam or on grade.
Power/Audio Button
Audio Port
3. Close the battery door and latch it shut.
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