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Grading
In-Trench Setup – Bucket Leveled
5. Enter the ACE mode.
6. Press and hold the plumb button to scroll up the setup-length scale and release the
button when the lit LED is closest to the measured setup length. The LED flashes
to confirm the setting.
7. Select the desired deadband and begin excavating.
8. Take grade readings with the bucket leveled and LEDs solid.
Out-of-Trench Setup - Bucket Extended
2. Position the receiver so that the setup length (L) is the distance from the bucket
teeth to the offset on-grade symbol on the back of the receiver. (Set up to the
center on-grade symbol if center on-grade will be used).
3. Turn on the receiver, and select standard plumb mode, offset on-grade, and the
desired deadband. (Select center on-grade if set to center symbol).
4. Begin excavating. Take grade readings with the bucket retracted and the LEDs
solid.
ACE mode
1. Follow the Standard Plumb procedures except the setup length is the distance from
the bucket teeth to the center on-grade symbol on the back of the receiver.
2. Enter the ACE mode.
3. Press and hold the plumb button to scroll up the setup-length scale and release
it when the lit LED is closest to the measured setup length. The LED flashes to
confirm the setting.
4. Select the desired deadband and begin excavating.
5. Take grade readings with the bucket retracted and LEDs solid.
Out-of-Trench Setup – Bucket Leveled
1. Level the bucket and position the machine so a measurement can safely be
obtained on the dipper arm.
2. Set up the laser and turn it on.
3. Determine the distance from the laser to the bottom of the trench (L). The length
is the height of the instrument (HI) plus the depth of cut from the benchmark to
the bottom of the trench (C).
Standard Plumb
The standard plumb process is the same irrelevant of whether the bucket is extended
or leveled. For instruction on how to perform this process, please refer to “Out-of-
Trench Setup – Bucket Extended.”
ACE mode
1. Follow the Standard Plumb procedures except the setup length is the finished
elevation to the center on-grade symbol (L) minus the bucket-height length (B).
(Setup length = L - B)
2. Enter the ACE mode.
3. Press and hold the plumb button to scroll up the setup-length scale and release the
button when the lit LED is closest to the measured setup length. The LED flashes
to confirm the setting.
4. Select the desired deadband and begin excavating.
5. Take grade readings with the bucket leveled and LEDs solid.
Important Information about Excavating
Note: For all excavation operations, always take a sample reading with the bucket
“on-grade” and check to make sure the elevation is correct.
For all grading operations, make a sample pass with the blade “on-grade” and check to
make sure the elevation is correct.
For extendable dipper arms – if the mast is mounted to the dipper arm section that
moves with the bucket, grade can be checked with the dipper arm extended to any
position. If the mast is mounted to the dipper arm section that does not move with
the bucket, grade can only be checked when the dipper arm is in the exact setup
position.
7. Select the desired deadband and brightness.
Note: The LED grade display indicates which way to move the blade using the
machine’s controls to maintain an on-grade reading.
8. Make a sample pass with the blade “on-grade” and check to make sure the
elevation is correct.
Excavating
Angle Compensation for Excavation (ACE)
1. Use the length determined by the setup procedure.
2. Press and hold the plumb button to enter the ACE mode and the setup length
entry mode.
Note: The on-grade location automatically switches to the center on-grade, and the
wide plumb (ACE) symbol appears on the LCD. A single LED or pair of LEDs
lights and cycles up the scale as the button is held.
3. Release the button when the LEDs are closest to the setup length. An LED flashes
in approximately 2 seconds to confirm the settings.
Example: If the setup measurement is 2.13 meters, release the button between the
2.00-m and 2.50-m marks on the left-side scale. (If the setup length measurement
is 84 inches, release the button when the pair of LEDs is lit between the 80-inch
and 100-inch marks on the right-side scale.)
4. If the setup number is passed, simply continue pressing the button until it cycles
to the correct number again. The number may also be selected by pressing and
releasing the button while in the setup length entry mode. The LEDs change one
increment each time the button is pressed.
5. Release the button to accept the displayed setup length. An LED flashes in
approximately 2 seconds to confirm the settings.
If the setup measurement is an exact number on the scale, use the next higher number
on the scale.
In-Trench Setup - Bucket Extended
4. Slide the receiver up or down until you get an on-grade display.
5. Select the desired deadband and begin excavating.
6. Take grade readings with the bucket retracted and the LEDs solid.
ACE mode
1. Mount the mast on the side of the dipper arm so that it points to the bucket teeth.
2. Turn on the receiver and select standard plumb mode, center on-grade, and the
smallest deadband.
3. Mount the receiver to the mast, adjust the dipper arm to plumb, and slide the
receiver up or down until you get a solid on-grade display.
4. Safely measure the distance from the bucket teeth to the center on-grade mark on
the back of the receiver. This is the setup length.
5. Enter the ACE mode.
6. Press and hold the plumb button to scroll up the setup-length scale and release the
button when the lit LED is closest to the measured setup length. The LED flashes
to confirm the setting.
7. Select the desired deadband and begin excavating.
8. Take grade readings with the bucket fully retracted and LEDs solid.
Secondary Functions
While the receiver is on, press and hold the power button and then press the touch-
panel buttons to activate secondary or “shift” functions that are indicated by the
symbols above the button.
Laser Out of Level
This function is for use with lasers that have the ability to indicate that they are out
of level by changing the RPM of the laser. Two speeds of 140 RPM and 300 RPM are
available as well as out-of-level turned off. Press and hold the power button and then
press the plumb button to cycle through the options of 140 RPM, 300 RPM, and off.
The LCD indicates which speed is selected. “No display” on the LCD indicates out-
of-level is disabled. When the laser RPM drops to the selected laser out-of-level speed,
an “X” symbol appears on the LED grade display and on the LCD symbol.
Touch-Panel Lock
Press and hold the power button and then press the accuracy button to turn the touch-
panel lock function on and off. When the function is on, the lock symbol appears
on the LCD. Buttons cannot be changed and accidental changes from dirt or debris
knocking the buttons are prevented. To make changes to the receiver, turn off the lock
function.
Specifications
Beam Reception Range 360 degrees
Operating Range Over 460 m (1500 ft) radius, depending on laser
Laser RPM Minimum: 105; Maximum: 1200
Vertical Reception 222 mm (8.75 in.)
Accuracy: On-Grade Deadbands
Setup
Fine
Standard
Wide
Grading
5 mm (0.20 in.)
10 mm (0.40 in.)
20 mm (0.80 in.)
40 mm (1.60 in.)
Excavating
6 mm (0.25 in.)
12 mm (0.50 in.)
25 mm (1.0 in.)
50 mm (2.0 in.)
Fine
Standard
ACE—Angle Compensation Mode
12 mm (0.50 in.)
25 mm (1.0 in.)
Plumb Swing Range
Standard
Angle Compensation Mode
± 2.5°
± 10° to ± 30°
Display Output Bright, Dim
Automatic Control Capability Yes, with CB20, CB25 & CB30 Control Boxes
Tilt Display Yes with RD20 Remote Display
Power Options Alkaline – 4 x “C” Cell – Standard
Nickel Metal Hydride – 4 x “C” Cell
Power Cable – 10 –30 V dc
LR60 Battery Life – Alkaline
LR60W Battery Life – Alkaline
(Continuous in beam)
75 hours, Display Dim / 45 hours, Display Bright
35 hours, Display Dim / 25 hours, Display Bright
LR60 Battery Life – Ni-MH
LR60W Battery Life – Ni-MH
(Continuous in beam)
50 hours, Display Dim / 40 hours, Display Bright
25 hours, Display Dim / 20 hours, Display Bright
Battery Recharge Time 3 – 4 hours
Automatic Shut Off 75 minutes with no laser beam
Out of Beam Indication High and Low
Remote Display Option Yes
Dimensions (LxWxD) 394 x 142 x 149 mm (15.50 in. x 5.58 in. x 5.88 in.)
Mounting Pipe
Round Tube(Outside Diameter)
Square Tube
42 mm to 50 mm (1.66 in. to 2.00 in.)
38 mm (1.50 in.)
Operating Temperature –20 °C to +60 °C (–4 °F to 140 °F)
*Specifications subject to change without notice
Warranty
Trimble warrants the receiver to be free of defects in material and workmanship for a
period of two years.
Trimble or its authorized service center will repair or replace, at its option, any
defective part for which notice has been given during the warranty period. If required,
travel and per diem expenses to and from the place where repairs are made will be
charged to the customer at the prevailing rates.
Customers should send the product to the nearest authorized service center for
warranty repairs, freight prepaid. In countries with Trimble subsidiary service centers,
the repaired product will be returned to the customer, freight prepaid.
Any evidence of negligent, abnormal use, accident, or any attempt to repair the
product by other than factory-authorized personnel using Trimble certified or
recommended parts, automatically voids the warranty.
The foregoing states the entire liability of Trimble regarding the purchase and use of its
equipment. Trimble will not be held responsible for any consequential loss or damage
of any kind.
This warranty is in lieu of all other warranties, except as set forth above, including
any implied warranty merchantability of fitness for a particular purpose, are hereby
disclaimed. This warranty is in lieu of all other warranties, expressed or implied.
Laser
Center
On-grade
Finished Elevation
Benchmark
2.50 meter mark
2.00 meter mark
100 inch mark
80 inch mark
Setup length between
80 and 100 inches
Setup length between
2.00 and 2.50 meters
1. Position the machine so the blade can be set to the desired finished elevation
(typically on a benchmark or hub stake).
2. Set up the laser in an appropriate location for receiver visibility and efficient
machine operation. Turn on the laser.
3. Turn on the receiver, select center on-grade (grading mode), and select the smallest
deadband.
4. Mount the receiver to the mast.
5. Slide the receiver up or down until on-grade is indicated. Adjusting the height of
the laser may be necessary.
Note: Alternatively, if the height of instrument (laser beam) to finished elevation
length is known, the receiver can be set by measuring this distance from the cutting
edge of the blade to the center on-grade mark on the back of the receiver label.
6. Face the LED grade display toward the machine and tighten the clamps.
1. Position the machine, and dig to the desired finished elevation.
2. Fully retract the bucket cylinder and place the bucket teeth at the finished
elevation.
3. Set up the laser and turn it on.
Standard Plumb
1. Mount the mast on the side of the dipper arm.
2. Turn on the receiver, and select standard plumb mode, offset on-grade, (center
on-grade may be used), and the smallest deadband.
3. Place the receiver on the mast and adjust the dipper arm so that the receiver is
within the standard plumb range.
1. Fully retract the bucket cylinder and position the machine so that a measurement
can safely be obtained on the dipper arm.
2. Set up the laser and turn it on.
3. Determine the distance from the laser to the bottom of the trench (L). This is the
setup length. The length is the height of the instrument (HI) plus the depth of cut
from the benchmark to the bottom of the trench (C).
Standard Plumb
1. Mount the mast on the side of the dipper arm so that it points to the bucket teeth.
Beam Averaging
Press and hold the power button and then press the on-grade location button to select
and cycle the laser beam averaging function. Selection “Off ” - no display - chooses
adaptive averaging. In this mode the receiver applies the highest level of averaging
appropriate for the laser rotation speed. A selection of one means every beam strike
is processed. Selecting two or four creates a rolling average of every two or four beam
strikes. Averaging stabilizes the LED display in unstable laser setups, such as windy
conditions or over long distances.
Averaging 2 Selected Averaging 4 SelectedNo Averaging Selected
300 RPM
Selected
Laser below
300 RPM
Indicator
140 RPM
Selected
Laser below
140 RPM
Indicator
1. Position the machine, and dig to the desired finished elevation.
2. Level the bucket and place the bottom of the bucket at the finished elevation.
3. Set up the laser and turn it on.
Standard Plumb
The standard plumb process is the same irrelevant of whether the bucket is extended
or leveled. For instruction on how to perform this process, please refer to “In-Trench
Setup – Bucket Extended.”
ACE mode
1. Mount the mast on the side of the dipper arm so that it points to the bucket pivot
pin.
2. Turn on the receiver, and select standard plumb mode, center on-grade, and the
smallest deadband.
3. Mount the receiver to the mast, adjust the dipper arm to plumb, and slide the
receiver up or down until you get a solid on-grade display.
4. Safely measure the distance from the bucket pivot pin to the center on-grade mark
on the back of the receiver. This is the setup length.
Trimble
Spectra Precision Division
5475 Kellenburger Road
Dayton, Ohio 45424-1099
U.S.A.
+1-937-245-5600 Phone
www.trimble.com
© 2005-2013, Trimble Navigation Limited. All rights reserved.
Reorder PN 0312-0460 (04/13)
Laser
Mast pointed to
bucket teeth
ACE
Setup length –
Center ongrade
to bucket teeth
Excavation
Depth
Laser
Excavation
Depth
Mast pointed to
bucket pivot pin
ACE
Setup length –
Center ongrade
to bucket pivot pin
Benchmark
Bucket
Levelled
Excavation
Depth
HI
Mast pointed to
bucket pivot pin
ACE
Setup = L
Length
HI
ACE
Setup = L
Length
Benchmark
Mast pointed to
bucket teeth
Bucket
Extended
Excavation
Depth
Declaration of Conformity
This receiver to which this declaration relates is in conformity with the essential
requirements and other relevant requirements of the Directive 2004/108/EC (EMC),
Directive 2006/95/EC (LVD) and Council Directive 1999/5/EC R&TTE.
Safety: (article 3.1a) BS EN60950-1: 2006/A12:2011
EN 62311:2008
EMC: (article 3.1b) ETSI EN 301 489-1 V1.9.2 (2011-09) in accordance with
the specific requirements of CISPR22 Class A
ETSI EN 301 489-17 V2.1.1 (2009-05)
Spectrum: (article 3.2) ETSI EN 300 328 V1.7.1 (2006-10), EN61000-9-2,
EN61000-9-3, EN61000-9-6, EN61000-9-8
We hereby declare that the equipment specified above conforms to the above Directive(s).
Trimble Navigation Ltd. August 24, 2012
5475 Kellenburger Road
Dayton, OH 45424-1099 U.S.A.
Notice to Our European Union Customers
For product recycling instructions and more information,
please go to: www
.trimble.com/environment/summary.html
Recycling in Europe
To recycle Trimble WEEE, call: +31 497 53 2430, and ask for the WEEE
associate, or
mail a request for recycling instructions to:
Trimble Europe BV
c/o Menlo Worldwide Logistics
Meerheide 45
5521 DZ Eersel, NL