Spectra GPS Receiver HR220 User Manual

Features  
Features (cont.)  
Introduction  
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.  
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.  
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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.  
HR220 Receiver  
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User Guide  
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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12.Battery Door Latch– opens the battery compartment.  
Your comments and suggestions are welcome; please contact us at:  
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.  
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  
5. Photocell – detects the laser beam when  
it strikes the receiver.  
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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.  
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How to Use the Receiver  
Learning the Receiver Functions  
Using the Receiver with a Laser  
Installing/Removing the Batteries  
Turning On/Off the Receiver  
LCD/LED/Audio Information  
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).  
LED  
1. Press the power/audio button  
to turn on the receiver.  
LCD Readout Function  
Audio Output Indication  
Down arrow  
High  
Fast beeping tone Top red LED:  
solid  
Fast beeping tone Top red LED:  
flashing  
Continuous tone Middle green  
LED: solid  
Note: When the receiver is  
initially turned on/off, all LCD  
symbols, LEDs, and the audio  
Above Grade  
On Grade  
2. Position the receiver so that its photocell faces the laser.  
Center bar &  
down arrow  
Center bar  
Fine-high  
On-grade  
Fine-low  
Low  
3. Move the receiver up/down until the LCD and LEDs show an on-grade  
reading.  
Audio On  
Low Battery  
Below Grade  
signal are turned on for one second.  
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.  
2. Press and hold the power/audio  
button for one second to turn off  
the receiver.  
Center bar  
& up arrow  
Up arrow  
Slow beeping  
tone  
Slow beeping  
tone  
Bottom blue  
LED: flashing  
Bottom blue  
LED: solid  
LCD  
Indication  
Flashing symbol  
Solid symbol  
Flashing symbol  
No symbol  
1. Release the battery door using your fingers, a coin, or a screwdriver. Open  
the door.  
Selecting the Audio Function  
The receiver always starts up with the audio mode (loud) active.  
Battery  
Horn  
Low battery  
Audio Loud  
Audio Low  
Audio Off  
N/A  
Loud  
Low  
2. Install/Remove the 2 AA batteries noting the positive (+) and negative (–)  
diagram on the bottom of the battery housing.  
1. Press the power/audio button repeatedly to cycle the audio level - loud, low  
or off.  
3. Close the battery door and latch it shut.  
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.  
None  
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