Features
14. Battery Door Knob
15. Recharge Jack
16. Adjustable Legs
Introduction
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1. Handle
Thank you for choosing the Spectra Precision® 1.5PL from the Trimble® family
of precision products. This simple-to-use tool allows you to perform leveling
or vertical plumb work. You can also use the laser outdoors for leveling and
aligning applications (optional HR220 receiver required).
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2. Laser Line Exit Windows
Horizontal and Vertical
3. Unit ON/OFF Compensator
Lock / Manual Mode Knob
4. Fine Alignment Knobs
1.5PL
Precision Multi-Line Laser
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User Guide
Before using the laser, be sure to read this operator’s manual carefully.
Included in it is information about setting up, using, and maintaining the
laser. Also included in this manual are CAUTIONS and Notes. Each of these
words represents a level or 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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5. Power On / Low Battery LED
6. Manual Mode Button
7. Manual Mode On LED
8. Receiver Mode Button
9. Receiver Mode On LED
10. Vertical (front) Beam Button
11. Horizontal Beam Button
12. Vertical (left/right) Beams
Button
Your comments and suggestions are welcome; please contact us at:
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Trimble Spectra Precision Division
8261 State Route 235
Dayton, Ohio 45424 U.S.A.
Phone: (937) 245-5600
(800) 538-7800
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FAX:
(937) 482-0030
17. Plumb-Down Beam Exit
Window
18. 5 x 11 Mounting Thread
13. Vial (Red/Green)
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HR220 Receiver
HR220 Receiver (cont.)
1. Power and Audio Button – turns the
receiver ON and OFF and changes the
audio to LOUD, LOW or OFF.
a. Automatic Shutoff - If the photocell
does not detect the laser beam for 30
minutes, the receiver shuts off
automatically.
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1 M (4 Ft) Marks Using a Tripod
Over Tall Floor Track or Obstacles
Ceiling with (optional) Wall Mount
8. Label – shows the serial number and manufacturing date.
9. Magnet—holds the receiver on a wall molding, cross-T, runner, etc.
10.LEDs – show the position of the receiver relative to the laser beam (above
grade [red], on grade [green] or below grade [blue]).
11.Battery Housing – holds 2 AA alkaline batteries.
Using the Extendable Legs
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12.Battery Door Latch– opens the battery compartment.
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 50
mm (2 in.) from the top of the receiver.
3. Liquid Crystal Display (LCD) –
displays the elevation, power, audio and
battery status.
4. Bubble vials - aids in keeping receiver
level in both horizontal and vertical
planes.
5. Photocell – detects the laser beam when
it strikes the receiver.
6. Audio Port – is the opening the sound
comes out of.
General-Purpose Clamp
The C61 clamp allows the receiver to be attached to a survey rod or wooden pole.
1. Release Tab – allows the receiver to be locked onto or released from the
general-purpose clamp.
2. Jaws – close/open so that the general-purpose clamp can be attached to or
released from a survey rod or wooden pole.
3. Jaws Screw – controls the closing/
opening of the jaws.
4. Reading Edge – aligns with the
receiver’s on-grade marking notches.
5. Bubble Screw Holes – are where the
optional 1277-6251S rod bubble kit
is mounted.
Tile Laying with Angle Alignment
Columns with Mounting Strap
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7. Clamp-Tab Recess – is the area that the
general-purpose clamp’s release tab fits
into.
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Batteries/Charging
Basic Operation
Applications (cont.)
Basic Operation (cont.)
1. Unlock the laser’s compensator by turning the
compensator lock/ unlock knob to the LEFT.
The Power On/Low Battery LED illuminates
RED and the vial lights GREEN when the unit
has been set up inside its self-leveling range.
When the batteries need to be charged/changed the Power On / Low
Battery LED flashes RED.
Note: The receiver mode can be used in automatic self-leveling and in manual
Installation/Removal
4. To locate the plumb point over a wall corner or other point place the
Down Point Beam over the corner or mark. Use the intersecting cross lines
to determine the top track corner location.
Note: If the floor track is already installed use the extendable legs to position
the Down Point over the corner.
mode.
CAUTION: The batteries should be removed when storing the laser more
than 30 days.
2. To turn OFF the receiver mode, PRESS the RECEIVER button again.
To turn OFF the unit and the beams, PRESS the buttons V1, H and V2 again
and turn the compensator lock/ unlock knob to the RIGHT.
Applications
Note: For added mechanism protection always lock the laser when not in use
by turning the compensator lock/ unlock knob to the RIGHT.
Installing a Ceiling
1. Measure up from the floor (or other reference mark) to the finished ceiling
height.
2. Install the first piece of wall molding.
3. Mount the (optional) wall mount with the attached laser to the wall molding.
4. Adjust the elevation of the wall mount slider so that the level beam is at wall
molding height. Install the rest of the wall molding.
5. Lower the laser 5 cm (2.0 in.) on the wall mount so that the level beam is at
the horizontal target elevation.
General Leveling and Aligning
1. Place the laser on a flat surface. The laser must be level within its self-
leveling range.
2. Adjust the position of the lines and plumb point so they are at the desired
positions.
3. Mark the position of the wall, elevation,
floor or ceiling.
Automatic Mode
1. Turn the compensator knob to the On-Position- the Power On / Low
Battery LED illuminates RED and the vial lights GREEN when the unit
has been set up inside its self-leveling range.
2. The beams can be activated/deactivated using the buttons
1. Turn the battery door knob counterclockwise to release the battery pack.
2. Install/remove the 4 x AA batteries.
V1
H
V2
V lines
Left/Right
V line
H line
Installing and Plumbing a Wall
Note: When installing the batteries, be sure to note the positive (+) and
negative (–) diagrams molded on the battery housing.
6. Install the ceiling’s cross Ts and main Ts.
1. Place the laser so the Vertical Line Beam
is positioned over the desired wall location
(usually indicated by 2 floor marks).
Note: If the floor track is already installed
the laser should be setup using the
extendable legs so the Vertical Line can
be positioned over the edge of the track.
2. Use the Vertical Line Beam to position
the top track.
3. Use the Vertical Line Beam to position
the floor track.
3. When the unit is tilted out of its self-leveling range the vial lights RED, all
beams flash and the unit beeps a warning tone.
3. Put the battery pack in place and lock it by turning the knob clockwise.
Performing Layout for Angles Other than 90°
1. Set up the unit over the 1st base-line reference point
2. Use the handle to make a rough alignment to the 2nd base-line reference
point, then use the fine adjustment knobs for final alignment
3. Use the angle ring to set the 0-mark on the reference line
4. Use the handle to roughly align the unit to the required angle position
5. Use the fine adjustment knobs to adjust the unit until the required angle is
positioned exactly above the reference line.
Battery Charger
Manual Mode
1. The laser can be taken out of automatic self-leveling mode to perform
slope work by turning the compensator lock/ unlock knob to the RIGHT.
2. Press the MANUAL button. The Power On / Low Battery LED illuminates
RED. The Manual LED flashes RED and the vial lights RED.
1. Plug the battery recharger’s plug into the
laser’s battery recharging jack.
2. Plug the battery recharger into the wall
outlet.
Receiver Mode
Note: A full charge will be reached in 4-5
hours.
1. To operate the laser with the HR220 receiver press the RECEIVER button.
The RECEIVER LED will illuminate RED.
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