Spectra HR220 Folheto

– 2 –

– 3 –

– 4 –

– 

5 

–

– 

6 

–

– 7 –

– 8 –

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.

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.

7.  Clamp-Tab Recess – is the area that the 

general-purpose clamp’s release tab fits 

into. 

2

1

3

4

8

9

10

5

6

11

12

7

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.
12. Battery Door Latch– opens the battery compartment.

1.  Release the battery door using your fingers, a coin, or a screwdriver. Open 

the door.

2.  Install/Remove the 2 AA batteries noting the positive (+) and negative (–) 

diagram on the bottom of the battery housing.

3.  Close the battery door and latch it shut.

1.  Press the power/audio button to turn on the receiver. Also make sure the 

Receiver Mode indicator on the laser is ON (if not, press the RECEIVER 

button on the laser).

2.  Position the receiver so that its photocell faces the laser.
3.  Move the receiver up/down until the LCD and LEDs show an on-grade 

reading.

  Note: The LCD shows a down arrow when the receiver is above the laser 

beam, an up arrow when below it, and a horizontal line when centered in 

the laser beam. The LED is red for above grade. green for on grade, and 

blue for below grade.

1.  Press the power/audio button  

to turn on the receiver.

  Note: When the receiver is  

initially turned on/off, all LCD  

symbols, LEDs, and the audio  

signal are turned on for one second. 

2.  Press and hold the power/audio 

button for one second to turn off  

the receiver.

Selecting the Audio Function
The receiver always starts up with the audio mode (loud) active.
1.  Press the power/audio button repeatedly to cycle the audio level - loud, low 

or off.

  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.

Down arrow

High

Fast beeping tone Top red LED: 

solid

Center bar & 

down arrow

Fine-high

Fast beeping tone Top red LED: 

flashing

Center bar

On-grade

Continuous tone Middle green 

LED: solid

Center bar  

& up arrow

Fine-low

Slow beeping 

tone

Bottom blue 

LED: flashing

Up arrow

Low

Slow beeping 

tone

Bottom blue 

LED: solid
LCD 

Battery

Low battery

N/A

Flashing symbol

Horn

Audio Loud

Loud

Solid symbol

Audio Low

Low

Flashing symbol

Audio Off

None

No symbol

Thank you for choosing the Spectra Precision® Laser Receiver HR220 from 

the Trimble® family of precision instruments. The HR220 is a battery-operated 

laser receiver that detects a pulsed line laser beam and indicates its position 

relative to the beam using an LCD and simultaneous LEDs.
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.
Your comments and suggestions are welcome; please contact us at:
Spectra Precision Division 

8261 State Route 235 

Dayton, Ohio 45424 U.S.A. 

Phone:  (937) 245-5600 

 

(800) 538-7800 

FAX: 

(937) 482-0030 

Internet: www.trimble.com/spectra

www.trimble.com

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