trimble site positioning systems - keynetgps, a … site positioning systems ... can be used with...

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MA: 888-443-9840 MD: 800-331-8451 NY: 866-205-7488 PA: 800-833-9250 21 MACHINE CONTROL / SITE CONTROL TRIMBLE Site Positioning Systems The new Trimble ® Site Positioning Systems give the contactor in site prepara- tion, heavy highway, mining, landfill and waste disposal the ability to quickly resolve problems onsite…and the flexibility to complete any task with the right equipment. From initial site measurement to final as-built checks, when you need site positioning equipment that is productive, easy to use and gets the job done right every time, Trimble Site Positioning Systems are your best choice. Trimble Site Positioning System Applications Trimble SCS900 Site Controller Software was designed from the ground up for contractors carrying out measurement and stakeout for earthworks, landfill cells, waste disposal and mining. This easy-to-use software helps you efficiently control and quantify site operations so you don’t need to rely on a contract sur- veyor for site measurements and stakeout requirements. It is easy to learn and can be used with Trimble GPS or total station positioning equipment to maxi- mize investment in both hardware and software systems. Additional Features of SCS900 Include – Real-time cut and fill maps Digital plans in the field – eliminates rolls of paper plans GPS position on the plan – immediately locate yourself on the map to interrogate the digital information from the plans Query the data in the model, elevations, cuts/fills, distances, areas, material volumes and more. Trimble SCS900 Site Controller software runs on either the TSC2 or TCU con- troller along with a tablet PC depending on your preference. The TSC2 is a hand- held controller while the TCU is a clip-on controller. Both control units offer integrated Bluetooth technology and optional integrated 2.4GHz radios for cable free operation when working robotically with a total station. Large hard disk storage, configured with 512MB memory capacity, 128MB RAM, ultra-fast processors and support of external storage devices, such as two compact flash card slots on the TSC2 controller, means you will never run out of storage space or processor speed when working with large data files. Total Stations for Site Positioning and Grade Control Operations Now with Servo, Autolock, Robotic, DR Reflectorless and ATS modes of operation, the powerful Trimble SPS730 and SPS930 Universal Total Stations satisfy all site measurement, stake- out, reflectorless measurement and grade control needs – all from one highly accurate instrument. • Site Control Operations • General Site Measurements • Grade Checking • Progress Volumes • Stakeout • As-Built Site Measurement Wireless communication capabilities increase workflow efficiency by providing real-time data transfer between office and jobsite.

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Page 1: TRIMBLE Site Positioning Systems - KeyNetGPS, A … Site Positioning Systems ... can be used with Trimble GPS or total station positioning equipment to maxi-mize investment in both

MA: 888-443-9840 MD: 800-331-8451 NY: 866-205-7488 PA: 800-833-9250 21

MACHINE CONTROL/SITE CONTROL

TRIMBLE Site Positioning SystemsThe new Trimble® Site Positioning Systems give the contactor in site prepara-tion, heavy highway, mining, landfill and waste disposal the ability to quicklyresolve problems onsite…and the flexibility to complete any task with the rightequipment. From initial site measurement to final as-built checks, when youneed site positioning equipment that is productive, easy to use and gets the jobdone right every time, Trimble Site Positioning Systems are your best choice.

Trimble Site Positioning System Applications

Trimble SCS900 Site Controller Software was designed from the ground up forcontractors carrying out measurement and stakeout for earthworks, landfillcells, waste disposal and mining. This easy-to-use software helps you efficientlycontrol and quantify site operations so you don’t need to rely on a contract sur-veyor for site measurements and stakeout requirements. It is easy to learn andcan be used with Trimble GPS or total station positioning equipment to maxi-mize investment in both hardware and software systems.

Additional Features of SCS900 Include –Real-time cut and fill maps • Digital plans in the field – eliminates rolls ofpaper plans • GPS position on the plan – immediately locate yourself on themap to interrogate the digital information from the plans • Query the data inthe model, elevations, cuts/fills, distances, areas, material volumes and more.

Trimble SCS900 Site Controller software runs on either the TSC2 or TCU con-troller along with a tablet PC depending on your preference. The TSC2 is a hand-held controller while the TCU is a clip-on controller. Both control units offerintegrated Bluetooth technology and optional integrated 2.4GHz radios for cablefree operation when working robotically with a total station. Large hard diskstorage, configured with 512MB memory capacity, 128MB RAM, ultra-fastprocessors and support of external storage devices, such as two compact flashcard slots on the TSC2 controller, means you will never run out of storage spaceor processor speed when working with large data files.

Total Stations for Site Positioning andGrade Control OperationsNow with Servo, Autolock, Robotic, DRReflectorless and ATS modes of operation, thepowerful Trimble SPS730 and SPS930 UniversalTotal Stations satisfy all site measurement, stake-out, reflectorless measurement and grade controlneeds – all from one highly accurate instrument.

• Site Control Operations

• General Site Measurements

• Grade Checking

• Progress Volumes

• Stakeout

• As-Built Site Measurement

• Wireless communication capabilities increase workflow efficiencyby providing real-time data transfer between office and jobsite.

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22 Keystone Precision Instruments

GRADE CONTROL SYSTEMS

Taking the Guesswork Out of EarthworksTaking the Guesswork Out of Earthworks

THE CONNECTEDCONSTRUCTION SITEAn interesting thing happenswhen you connect your office, peo-ple and machines. Productivityjumps. Rework disappears. Cashflow improves. Profits soar. Onlyone company has the technologyand experience to connect yoursite. The leader ... Trimble.

Performing earthworks smarter,faster and more profitably is criti-cal to success in today’s highlycompetitive construction industry.You need to perform all parts ofthe job faster and more accuratelythan ever before. From estimatingto completion, Trimble’s next-gen-eration Grade Control Systems aretruly revolutionizing the total con-struction process.

Fully Upgradeable

Trimble Grade Control Systems areflexible, fully upgradeable, and canbe installed on machines from anymanufacturer. Using the industry-standard Controller Area Network(CAN), you can easily add sensorsand upgraded software to meet specific machine and applicationrequirements. The upgradeablewiring harness is designed for plug-and-play flexibility, allowing you toupgrade the system from a singlesensor control to a multi-functionalGPS+GLONASS 3D solution.

Equip Your Entire Fleet

Whether you are using excavators formass excavation, dozers or scrapersfor bulk earthworks, motor gradersfor finished grading, or compactorsfor material density - the Trimble

Grade Control Systems family has asolution to meet your needs. Ourflexible and upgradeable GCS familycan be installed on a wide range ofmachines—dozers, compactors,motor graders, scrapers, excavatorsand more. You can use a commonplatform across your entire fleet,while at the same time choose thebest option for the machine and theapplication.

Trimble Ready™ Machines

Trimble has worked with leadingmachine manufacturers to reduce theeffort required to install conventionaland 3D grade control components.Today, Trimble Ready machines comepre-plumbed with wiring and bracketsfor common system configurations.This simplifies GCS installation andlets you easily move the system fromone machine to another.

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Improves Your Productivity and ProfitabilityImproves Your Productivity and Profitability

Trimble offers you the most com-plete line of Grade Control Systems.From laser or sonic based throughto 3D, these rugged systems areeasy to use, fully upgradeable andflexible enough to meet a widerange of application and jobsiterequirements. Quite simply, thereis no better solution to meet thechallenges of today’s schedulesand budgets. Gain a competitiveedge and streamline your opera-tions with the next generation ofgrade control systems from Trimble,the company that invented gradecontrol.

Faster Job Cycles

Spend more time beingproductive and less timewaiting for surveying and gradechecking. With site plan andgrade information displayed inthe cab, operators can finishjobs faster with minimalsupervision—even in dusty,windy or dark conditions.

Flexible

Perform a wide range of work,from mass excavation throughto finished grade, on both largeand small jobs. Trimble machinecontrol products are designedto adapt to a variety of machinesand jobsite applications.

Lower Operating Costs

Getting the job done right thefirst time eliminates rework.With design information at yourfingertips, the need for stakes,hubs or stringlines is reduced.Through improved productivity,personnel and machine costsare also reduced. Plus, accurategrading helps you carefullycontrol material usage.

Return on Investment

Trimble Grade Control Systemsquickly pay for themselves—often on the first project! Fastercompletion, less rework, lessstaking, less checking, lowercosts, and improved materialyields all add up to a strongerbottomline for your company.

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24 Keystone Precision Instruments

GRADE CONTROL SYSTEMS

Conventional Grade Control Systems…Conventional Grade Control Systems…

Trimble GCS300 and GCS400 Grade Control Systems:Single or Dual Elevation Control

The Trimble GCS300 Grade Control System is a single controlsystem that uses the LR410 Laser Receiver to control the lift ofthe machine blade. Ideal for smaller construction projects, it isan excellent first investment in grade control. The TrimbleGCS400 Grade Control System is a dual-control system thatcontrols both the lift and tilt of the blade by connecting twoLR410 laser receivers or one LR410 and an AS400 Slope Sensorto the system. By controlling both functions, the GCS400allows the operator to control the material more accurately,especially across larger jobsites. Easy to set up and use, theGCS300 and GCS400 are designed primarily for use on dozers;however, they can be used on other machines.

Trimble GCS500 Grade Control Systems:Cross-Slope Control

The Trimble GCS500 Grade Control System is a cross-slopecontrol system designed to be used on motor graders for finegrading work. The system uses two AS400 angle sensors andan RS400 rotation sensor to calculate the cross-slope of theblade. The system allows the operator to select which side ofthe blade is controlled and switch sides on the return pass.Providing a high degree of flexibility, the AS400 has 100% slopecapability making the system ideal for a wide range of applica-tions, including cutting road slopes, ditches and embankments.

TRIMBLE GCS300 ANDGCS400 APPLICATIONS:

• Finished Grading

• Housing Pads

• Commercial Building Sites

• Sports Fields

TRIMBLE GCS500 APPLICATIONS:

• Road Maintenence

• Road Construction

• Sports Fileds

• Embankments

• Road Ditches

Trimble productivity-enhancinggrade control systems are extreme-ly scalable and can be configuredfor just about any machine or job.

Conventional systems begin with asingle laser receiver system, andprogress through combinations oflaser receivers, sonic tracers, anglesensors and rotation sensors.

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…For Unconventional Productivity.…For Unconventional Productivity.

Trimble GCS600 Grade Control System:Cross-Slope and Elevation Control

The Trimble GCS600 Grade Control System is a highly flexiblecross-slope and elevation control system designed to be used onmotor graders for fine grading work. As with the GCS500, theGCS600 uses two AS400 angle sensors and an RS400 rotationsensor to calculate the crossslope of either side of the blade; theGCS600 additionally uses an LR410 laser receiver or an ST400sonic tracer to provide elevation control. Using the ST400, thesystem allows for stringline, previous pass, or curb and guttertracing. Using one or two LR410 laser receivers, the system canbe used for fine grading of plane surfaces. The GCS600 systemis ideal for applications with tight tolerances and finished gradework.

Trimble GCS600 Grade Control System for Excavators

The Trimble GCS600 for Excavators is a depth and slopecontrol system for excavation, trenching, grading and profilework. The system uses an AS300 Angle Sensor, AS310 DualAxis Sensor and LC300 Laser Catcher to measure the rela-tionship between the body, boom, stick and bucket to deter-mine where the cutting edge is and should be, directing theoperator to the desired depth and slope. Designed for bothtracked and wheeled hydraulic excavators, it is ideal forearthmoving contractors looking for an economical andeasy-to-use grade control system to improve their excavationproductivity and profitability.

TRIMBLE GCS600 APPLICATIONS:

• Small-to-Large Housingand Building Site Pads

• Road Construction

• Highway Construction and Maintenence

• Runways

TRIMBLE GCS600 FOR EXCAVATORS APPLICATIONS:

• Mass Excavation

• Grading and Sub-surfaces

• Trenching, Ditch and Finished Slope Work

• Dredging

• Waterways

All Trimble grade controlcomponents have beendesigned for ease of use,quick setup and extremedurability to ensure the high-est uptime and longest lifepossible in jobsite conditions.

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26 Keystone Precision Instruments

More Productivity for Every Machine and Every JobMore Productivity for Every Machine and Every Job

IDEAL CONFIGURATIONS:

• Trimble GCS900 with dual GPS on an excavator

• Trimble GCS900 with single GPS on a dozer

• Trimble GCS900 with dual GPS on a dozer

• Trimble GCS900 with single GPS on a scraper

IDEAL CONFIGURATIONS:

• Trimble GCS900 with dual GPS on a dozer

• Trimble GCS900 with dual GPS on a grader

• Trimble GCS900 with the Universal Total Station on a dozer

• Trimble GCS900 with the Universal Total Station on a grader

From bulk earthmoving through grading to finished material compaction, Trimble has a 3D gradecontrol solution for your machine type and application requirements. Just select the appropriate 3Dsensor option—GPS+GLONASS with or without laser augmentation, or the Trimble SPS730 and

Mass Excavation

The Trimble GCS900 Grade Control System is ideal for bulkearthmoving applications such as land reclamation, dam andreservoir construction, new infrastructure projects, landfillsand waste deposits.

With GCS900, design information and live cut/fill indicationsare displayed in the cab, allowing excavation to be done in asafer, stakeless environment - even at night. The system pro-vides real-time information for monitoring avoidance zonesand simultaneously collects as-built data as the machine cutsto grade. With these capabilities, operators can keep tightercontrol over safety issues and see precisely where dirt is beingmoved on site.

Used on a dozer, excavator or scraper, GCS900 allows evenlesser skilled operators to work faster, more consistently, andwith less rework.

Grading

Using the Trimble GCS900 Grade Control System on a dozeror grader allows the operator to get to grade faster than ever,even with complex designs.

The on-board Trimble CB430 Control Box determines theposition of each tip of the blade and compares it to thedesign elevation to compute cut or fill to grade. The cut/filldata is used to drive the valves for automatic blade controlor is passed to in-cab lightbars that provide visual guidanceto the operator.

Ideal for residential site prep and subdivision construction,single house pads or the entire neighborhood-project infra-structure can be constructed better and faster using GCS900.

GRADE CONTROL SYSTEMS

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IDEAL CONFIGURATIONS:

• Trimble CCS900 with the dual GPS on a compactor

• Trimble CCS900 with the single GPS on a compactor

IDEAL CONFIGURATIONS:

• Trimble GCS900 with the Universal Total Station on a grader

• Trimble GCS900 with dual GPS and laser augmentation on a grader

• Trimble GCS900 with the Universal Total Station on a dozer

• Trimble GCS900 with dual GPS and laser augmentation on a dozer

Compaction

Once grade is achieved, most earthworks projects require thatsub-surface material is compacted to a target density forincreased durability, stability, and load-bearing capacity. TheTrimble CCS900 Compaction Control System enables thecontractor to accurately control the compaction process,while reducing unnecessary passes that result in over com-paction. The system achieves compaction density faster, moreaccurately, with less rework. The early detection of sub-sur-face material anomalies means that soft spots and hiddenobstructions can be excavated and re-graded or compactedprior to the more costly phases of the construction processsuch as paving. Compaction results are recorded and storedfor analysis and generation of documentation deliverables atthe end of the project.

Finished Grade

The Trimble GCS900 Grade Control System allows the oper-ator to achieve finished grade to millimeter accuracy withfewer passes. Trimble GCS900 is quite simply the marketleading solution for fine-grading application. Used on motorgraders and dozers, it is ideal for new road construction andwidening, airport construction, fine grading for concretepours and slab placement, and commercial site preparationrequiring the highest accuracy. By maintaining tight tolerancesevery time, GCS900 results in higher quality work deliveredto the client. Finished grade materials can be placed moreaccurately and in a shorter time period, keeping the materialcosts to a minimum and realizing better profits. With moreconfidence in the cost of operations and quicker completionto finished grade, the equipment owner is able to lower bidsand gain more business in every phase of the project.

SPS930 Universal Total Stations—then use the same components across your entire fleet, throughthe life cycle of the project.

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Trimble CB410 Control Box for Excavators:The Trimble CB410 Control Box has dual LED depth and slope indicators, a graphicalbacklit LCD display, and easy-to-operate toggle and pushbutton switches for fast, reliablesetup and depth guidance. Used with the GCS600 for Excavators, the CB410 not onlygives you a range of powerful features, but is specifically designed for unobstructed visionand excavator control.

Trimble CB420 Control Box: The control you need forimproved productivity!Featuring dual LED grade displays, agraphical backlit LCD display, easy-to-operate switches and pushbuttons,and the CB420 control box isupgradeable from the TrimbleGCS300, through to the GCS600.Grade Control Systems. When usedwith the GCS500 and GCS600, thesoftware provides the operator with arange of powerful features specificallydesigned for cross slope and bladeelevation on motor graders.

Trimble CB430 ControlBox: Graphical Displayfor Convent-ional and3D Grade ControlDesigned for use in harsh construc-tion environments, the TrimbleCB430 is a fully sealed, solid-statecomputing device with a large day-light readable graphical display andscratch resistant screen. Used withTrimble conventional or 3D GradeControl Systems, it is the mostadvanced in-cab control box on themarket.

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Flexible Sensor Options For All your Jobsite Requirements.Flexible Sensor Options For All your Jobsite Requirements.

GRADE CONTROL SYSTEMS

Trimble Sonic TracersThe Trimble ST400 Sonic Tracermounted to the blade of the motorgrader uses a physical reference suchas curb and gutter, stringline, existingor previous pass as an elevation refer-ence. Using a sonic tracer, the systemcan match curves and accurately getto grade in fewer passes. This reducesoperator fatigue, saves material andreduces the need for grade checkers.

Trimble Laser ReceiversThe Trimble LR410 Laser Receiver isfully linear and has smooth correc-tions the full length of the receiver. Itis mounted to a mast on the bladeand connected to the machinehydraulics to control lift to an accura-cy of 3-6 millimeters (0.01 to 0.02feet). In auto mode, the system usesthe LR410 grade information to auto-matically move the blade up or downto the on grade position.

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TRIMBLE. The Leader in Grade Control Systems.Trimble is focused on driving your productivity at all stages of the construction process. Hereare just of few of the reasons why Trimble should be your productivity partner

Trimble Total StationsTrimble SPS Series Universal TotalStations can be used for even greateraccuracy when performing fine or fin-ished grading, with blade guidance to 2-5 millimeters (0.007 to 0.016 feet).

Integrated Laser ReceiversWhen improved vertical accuracy is needed,the GPS+GLONASS systems can beenhanced with integrated laser receiversthat can provide blade control to 3-6 mil-limeters (0.01 to 0.02 feet).

Trimble Smart GPS+GLONASS AntennaIt’s “smart” because it contains an inte-grated GPS+GLONASS receiver, anten-

na, and isolation system all in a single, durablehousing. It uses the advanced Trimble RTK enginefor faster initialization times when satellite lock islost and enhanced performance near obstructions.

Trimble 3D Control BoxTrimble’s 3D control box comes withpowerful software that puts the siteplan in the cab. With a large, clear

display and operator-defined view, it is the mostadvanced and easiest to use in the industry

Better Satellite Positioning Up TimeTrimble GPS+GLONASS systems are guidedby the most powerful RTK engine on earth.Stronger signal acquisition from more satel-lites means you can run faster, longer andwithout interruptions and downtime.

Construction ToughTrimble components have been designed towithstand the beating they can take on bigmachines and rough sites. More robust compo-nents mean less downtime and more produc-tivity.

Finish FasterTrimble positioning systems let you run athigher speeds without losing accuracy thanksto faster data transfer, fully linear receivers andfaster valve response.

Two Antennas Are Better Than One Trimble’s patented dual GPS+GLONASS anten-na system gives you exact course and bladeposition... not the estimated position.

Smart ProductivityOnly Trimble offers the Smart GPS+GLONASSAntenna... an integrated GPS+GLONASSreceiver and antenna designed to providemaximum portability, flexibility and accuracy.

Make Every Operator GreatThe displays in Trimble Grade ControlSystems are intuitive and simple to use...maximizing operator productivity.

Easier and Faster Set UpTrimble systems set up easier and faster thanzone systems, which means you can get thework started sooner.

Future Ready, NowTrimble 3D grade control systems supportmodernized GPS and GLONASS signals andwill track the GPS L5 signal when it becomesavailable. You won’t have to invest in new sys-tems to take advantage of the latest signalcapabilities.

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■ The system is designed to provide visualguidance to machine operators for manualgrading operations.

■ A laser transmitter emits a rotating 360-degree beam of light that covers the workarea.

■ Depending on the transmitter, the laserbeam can be either a flat plan for levelwork or tilted for grade work.

■ The receiver is mounted above themachine’s cutting edge on grading equip-ment or on the dipper arm of excavationequipment.

■ A laser receiver is magnetically mounted tothe machine, and clearly displays yourgrade status: on - above - below.

■ The receiver is initially set on-grade to aknown desired elevation or benchmark. Asthe blade or bucket is moved, the operatorcan see which direction to move the bladeor bucket to get to on-grade.

30 Keystone Precision Instruments

SPECTRA PRECISION 2D LASER-BASED…

Easy to use Display Systems that pay for themselves

Spend less time walking the job site.And more time in thecab being productive.

By using laser-based grade displaysystems to guide the cutting edgeto grade, you can speed up gradingoperations with more accuracyand more profits. In effect, theoperator becomes an instantgrade checker, optimizing machinetime. The extremely rugged displaysystems from Spectra Precision®

Laser are highly flexible, and canbe used on a wide range ofmachines, including dozers, back-hoes, scrapers, skid steers andexcavators. Plus, dozers can beupgraded for automatic bladecontrol with the addition of theCB25 control box and hydraulicspackage for even greater productivity.

Benefits:• Increase machine productivity

and accuracy

• Simplify your grading and exca-vating operations

• Reduce labor and wasted down-time waiting for grade checks

• Save material with improvedaccuracy

How it works

VersatilityWorks with all rotating lasers.

360-Degree ReceptionUse on all types of machinery for fast, no-hassle set-up.

Multiple Accuracy ChoicesMatch to your jobsite requirements – roughgrading to final finishing.

Ultra-Bright LED with Green On-GradeEasy to see in all light conditions.

Brightness ControlSelect to match light conditions.

Out-of-Laser Beam IndicationDirects which way to move to get back in thebeam. Selectable on or off.

Self-ContainedAllows quick mounting and is easily movedfrom machine to machine.

Long Battery LifeKeeps your machine working.

Automatic Shut-offConserves battery life when the receiver isnot in use.

Power OptionsNickel Metal Hydride rechargeable batteries,optional Alkaline batteries, or a power cordthat connects directly to the machine power.Low battery warning.

Heavy-Duty ClampsStainless steel no-slip clamps grip tightly topoles up to 50 millimeters (2 inches) diameter.

WaterproofDesigned to withstand all weather conditions.Durable polycarbonate and aluminum diecast housings stand up to tough constructionenvironments. Internal isolating shockmounts protect the electronics.

Carrying CaseSlim design, protects the receivers duringtransport and holds accessories, spare batter-ies, and manuals.

Two-Year Warranty

LR30/LR50/LR60give you the best inbenefits and features

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…SYSTEMS FOR GRADING AND EXCAVATING

Grade Display Receivers from Spectra Precision Laser

Affordable Automatic Blade Control for Dozers

LR30 Grade DisplayReceiver

■ For use on many types of grad-ing and excavation equipmentincluding dozers, backhoes,excavators and trenchers.

■ Five channels of grade information plus directionalout-of-beam indicators.

■ Three selectable accuraciesmeets job tolerances fromrough grading to final finishing.

LR50 Grade DisplayReceiver

■ Built-in blade tilt indication helpsthe operator keep the blade levelfor increased production andaccuracy. Can be programmed tomatch an existing or known gradefor slope matching operations.

■ Center On-grade provides an equalamount of grade information aboveand below on-grade. Use on dozers,graders, scrapers, and box blades.

■ Built-in plumb indication for quick and accurategrade checking for backhoes and excavators.

■ Offset On-grade provides more information abovegrade using the entire receiver for productiveexcavation.

■ Up to six channels of grade information plusdirectional out-of-beam indicators.

■ Three selectable accuracies for each ongradelocation.

■ Use as a stand-alone display receiver or combinewith the CB25 control box to create affordableautomatic blade control for dozers.

LR60 Grade DisplayReceiver

■ Patented Angle Compensation forExcavation automatically calculatesand corrects the grade display forthe angle of the dipper arm.

■ Check grade with the dipper armextended or retracted up to 30degrees.

■ Plumb indication built in for quickand accurate grade checking forexcavators and backhoes.

■ Center On-grade for grading operations - use ondozers, graders, scrapers, box blades.

■ Offset On-grade for productive excavation.

■ Up to eight channels of grade information plusdirectional out-of-beam indicators.

■ Four selectable accuracies for each on-gradelocation.

■ Indicate or Automatic control.

■ Use as a stand-alone display receiver or combinewith the CB25 control box to create affordableautomatic blade control for dozers.

CB25 Control BoxFor even greater gains in productivity for your dozer, combine your LR50 or LR60 displayreceiver with the cab-mounted Spectra Precision Laser CB25 Control Box for automaticblade control. Automatic blade control keeps your machines moving and operating atmaximum speed... saving time, fuel, material and labor on every grading job.

CB25 Features:■ Proportional receivers and proportional hydraulic valves ensure maximum

system accuracy and smooth, precise operation.

■ Switch from automatic to manual control with the quick flip of one switch.

■ Adjust system accuracy settings and hydraulic blade speed from the cab-mounted control box.

■ Dynamic blade balancing is set during installation for smooth raise andlower response.

■ The CB25 has 16 on-grade accuracy settings from 0 to 38 millimeters (0 to 1.5 inches). These provide optimum accuracy selections for variousjobsite requirements.

■ The CB25 works with proportional time, proportional current and proportional voltage hydraulic valves.

How it worksA laser receiver is mounted above the cutting edge of the blade. The Spectra PrecisionLaser CB25 control box and a hydraulic installation kit are tied into the machine’shydraulic system. Grade information from a rotating laser is processed and automaticallydirects the machine’s hydraulics to maintain the blade elevation.

Call for information andpricing on all of theseTrimble Grade Controlproducts.