Spectra GPS Receiver CR600 User Manual

Features and Functions  
1
2
1. Power/Audio Button—is a multi-  
functional button that turns the  
receiver on/off and allows you to  
adjust the audio volume.  
07. Audio Port—is the opening the  
LCD/LED/Audio Information  
sound comes out of.  
LCD Readout  
Function  
Audio Output  
LED Indication  
CR600 Receiver  
08. Battery Housing—holds three AA  
alkaline or Ni-Cd batteries. The  
battery-housing door is also used  
to attach the receiver to a custom  
grade rod, magnetic mount, or the  
general-purpose clamp.  
6 to 7  
down arrows  
Machine: coarse high  
Fast beeping tone  
High LEDs: solid red  
11  
3
5
User Guide  
4
6
2. Grade-Sensitivity Button—allows  
you to cycle through receivers on-  
grade sensitivities.  
5 to 7  
down arrows  
Machine: medium high Fast beeping tone  
High LEDs: solid red  
High LEDs: solid red  
High LEDs: flashing red  
High LEDs: flashing red  
High LEDs: flashing red  
7
8
4 to 7  
down arrows  
High  
Fast beeping tone  
Fast beeping tone  
Fast beeping tone  
Fast beeping tone  
10  
9
The hand-held grade sensitivities  
include fine: 1.5 mm (1/16 in.);  
medium: 3 mm (1/8 in.); and coarse:  
6 mm (1/4 in.). The machine grade  
sensitivities include: fine 10 mm  
(3/8 in.) and coarse: 25 mm (1 in.). This button also allows you to select  
ultra-fine: 0.1 mm (0.004 in.) and super-fine: 1 mm (1/32 in.) grade  
sensitivity when used with the power/audio button. The machine grade-  
sensitivity mode has an offset for on-grade. On-grade is 50 mm (2 in.)  
below the top of the receiver and is not centered in the photocell.  
3 to 5  
down arrows  
Machine: fine high  
Medium high  
Fine high  
09. Remote Contacts—provides  
grade-display signals to a radio  
remote control.  
2 to 3  
down arrows  
10. Photocell—detects the laser beam  
when it strikes the receiver. The  
photocell allows you to face the  
LCD and LEDs and have access to  
the control buttons, regardless of  
your position relative to the laser  
beam. If the receiver does not  
detect the laser beam for 30  
minutes, the receiver shuts off  
automatically.  
Center bar &  
1 down arrow  
Center bar  
On-grade  
Fine low  
Continuous tone  
Slow beeping tone  
Flashing green  
Center bar &  
1 up arrow  
Low LEDs: flashing red  
2 to 3  
up arrows  
Medium low  
Slow beeping tone  
Slow beeping tone  
Slow beeping tone  
Slow beeping tone  
Slow beeping tone  
Low LEDs: flashing red  
Low LEDs: flashing red  
Low LEDs: solid red  
Low LEDs: solid red  
Low LEDs: solid red  
3. Offset Distance Scale—coincides with the LCD bar display and is used  
to work at an offset distance from on-grade. Three offset scales, which  
include metric, hundredths of a foot, and inches, are available. Simply  
place the decal appropriate for your needs on the right side of the LCD.  
5
3 to 5  
up arrows  
Machine: fine low  
Low  
10  
4 to 7  
up arrows  
11. LEDs—show the position of the  
receiver relative to the laser beam  
(above grade, on grade, or below  
grade).  
4. Marking Notches—align with the on-grade portion of the photocells  
and are used to mark elevation readings. The marking notches are 50 mm  
(2 in.) from the top of the receiver.  
5 to 7  
up arrows  
Machine: medium low  
Machine: coarse low  
6 to 7  
12  
5. Liquid Crystal Display (LCD)—shows the elevation, grade sensitivity,  
audio, out-of-level, and battery status.  
up arrows  
12. Remote Mounting Channels—  
provide a recess for the radio remote control mounting guides to fit  
into so the radio remote control can be attached to the receiver.  
6. Groove—is the channel that the grade-rod tongue fits into so the receiver  
can be attached to the grade rod or magnetic mount.  
www.trimble.com  
– 2 –  
– 3 –  
– 4 –  
Note: 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.  
Selecting the Grade Sensitivity  
The receiver always starts up in the last selected on-grade sensitivity (the  
factory default setting is fine).  
1. Press the grade-sensitivity button repeatedly to cycle through the on-grade  
sensitivities, which include hand-held: fine, medium, coarse; and  
machine-mounted: fine, and coarse.  
2. To select ultra-fine or super-fine on-grade sensitivities, press and hold the  
grade-sensitivity and power/audio buttons for 2 seconds.  
Note: As you hold the buttons, the  
receiver cycles through the ultra-fine  
and super-fine on-grade sensitivities.  
3. Release both buttons when the  
sensitivity that is appropriate for  
your application needs appears in  
the LCD.  
Machine-Mounted Mode  
LCD/LED/Audio Information (cont.)  
How to Use the Receiver  
Installing the Batteries  
1. Turn the battery-housing knob  
counterclockwise.  
In fine mode, the red LEDs flash when the laser beam is more than 15 mm  
(9/16 in.) of being on grade. In coarse mode, the red LEDs flash when the  
laser beam is more than 20 mm (13/16 in.) of being on grade. The low red  
LEDs light continuously when the laser beam is between 15 and 25 mm  
(9/16 and 1 in.) of being on grade in fine mode, and between 20 and 25 mm  
LCD Readout  
Function  
Audio Output  
LED Indication  
Level vial with  
out-of-level  
bubble  
Laser out-of-level alert  
High/low beeping tone ———  
(audio must be on)  
2. Remove the battery-housing door.  
Battery  
Horn  
Low battery  
N/A  
N/A  
(
13/16 and 1 in.) of being on grade in coarse mode. The high red LEDs light  
3. Insert the battery as shown noting  
the plus (+) and minus (–) diagram  
inside the housing.  
Audio on soft/loud  
Audio off at on-grade  
Single beep  
———  
———  
———  
continuously when the laser beam is between 15 and 95 mm (9/16 and 33/4  
in.) of being on grade in fine mode, and between 20 and 95 mm (13/16 and  
33/4 in.) of being on grade in coarse mode.  
Flashing  
horn  
4. Put the battery-housing door in  
place. Push in the knob and turn  
it clockwise.  
Flashing  
arrow  
Lost beam indication  
Line alert on  
N/A  
Flashing red  
The LEDs can also be used for lost-beam indication. If the LEDs are turned  
on, the top or bottom red LEDs flash for 20 seconds to show the direction  
to move the receiver to reacquire the beam. For additional lost-beam  
indication, a bank of up or down arrows in the LCD flashes for 20 seconds  
to show the direction to move the receiver to reacquire the beam.  
1. Simultaneously press the grade-  
sensitivity and power/audio buttons  
repeatedly to cycle through the LED  
settings: bright, dim, and off.  
———  
Beep on 1-Hz rate  
All LEDs flash for  
3 seconds  
Learning the Receiver Functions  
———  
Line alert off  
Power on  
N/A  
Both red LEDs flash  
All icons on the  
LCD appear for  
1 second  
Single beep  
All LEDs flash for  
1 second  
Standard  
Turning On/Off the Receiver  
1. Press the power/audio button to turn on the receiver.  
Flashing fine  
Ultra-fine grade  
sensitivity  
N/A  
N/A  
N/A  
N/A  
Note: When the receiver is initially turned on, all LCD symbols and  
LEDs are turned on for one second (diagnostic mode). After the  
diagnostic mode is complete, all the symbols of the last selected modes  
appear.  
Flashing fine  
and medium  
Super-fine grade  
sensitivity  
Selecting the LED Settings  
The LEDs show the position of the  
receiver relative to the laser beam. Three LED settings can be selected from:  
bright, dim, and off. Dim is the factory default setting. Turning off the  
LEDs extends battery life.  
Fine  
Fine grade sensitivity  
N/A  
N/A  
N/A  
N/A  
Medium  
Medium grade  
sensitivity  
2. Press and hold the power/audio button for 2 seconds to turn off  
the receiver.  
Coarse  
Coarse grade  
sensitivity  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
Rod-Mounted and Hand-Held Mode  
Selecting the Audio Function  
The red LEDs flash when the receiver is within 13 mm (1/2 in.) of being on  
grade. The low red LEDs light continuously when the receiver is between  
13 and 25 mm (1/2 in. and 1 in.) of being above the laser beam. The high  
red LEDs light continuously when the receiver is between or 13 and 95 mm  
(1/2 and 33/4 in.) below the laser beam. The green LEDs flash when the  
Fine +  
Machine fine  
The receiver always starts up in the last selected audio level (the factory  
default setting is soft).  
Machine Symbol grade sensitivity  
Medium + Machine coarse  
Machine Symbol grade sensitivity  
1. Press the power/audio button repeatedly to cycle through the audio levels,  
which include off, soft, and loud.  
receiver is on grade.  
 
– 5 –  
– 6 –  
– 7 –  
– 8 –  

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