John Deere OMPFP11362 OPERATOR’S MANUAL

Surface Water Pro

OPERATOR’S MANUAL

Surface Water Pro

OMPFP11362 ISSUE F1 (ENGLISH)

CALIFORNIA

Proposition 65 Warning

Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.

If this product contains a gasoline engine:

WARNING

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

The State of California requires the above two warnings.

Additional Proposition 65 Warnings can be found in this manual.

John Deere Ag Management Solutions

North American Edition

DCY

OMPFP11362

LITHO IN U.S.A.

Introduction

Foreword

	WELCOME TO GREENSTAR™ system offered by John	Accurately record all the numbers to help in tracing
	Deere.	the components should it be stolen. Your dealer also
	READ THIS MANUAL carefully to learn how to operate	needs these numbers when you order parts. File the
		identification numbers in a secure place off the machine.
	and service your system correctly. Failure to do so could
	result in personal injury or equipment damage. This	WARRANTY is provided as part of John Deere’s support
	manual and safety signs on your machine may also be	program for customers who operate and maintain their
	available in other languages. (See your John Deere	equipment as described in this manual. The warranty is
	dealer to order.)	explained on the warranty certificate which you should
	THIS MANUAL SHOULD BE CONSIDERED a permanent	have received from your dealer.
	part of your system and should remain with the system	This warranty provides you the assurance that John
	when you sell it.	Deere will back its products where defects appear within
	MEASUREMENTS in this manual are given in both	the warranty period. In some circumstances, John Deere
		also provides field improvements, often without charge
	metric and customary U.S. unit equivalents. Use only
		to the customer, even if the product is out of warranty.
	correct replacement parts and fasteners. Metric and inch
		Should the equipment be abused, or modified to change
	fasteners may require a specific metric or inch wrench.	its performance beyond the original factory specifications,
	RIGHT­HAND AND LEFT­HAND sides are determined by	the warranty will become void and field improvements
	facing in the direction of forward travel.	may be denied.
	WRITE PRODUCT IDENTIFICATION NUMBERS (P.I.N.)
	in the Specification or Identification Numbers section.
	GREENSTAR is a trademark of Deere & Company
		OUO6050,0000AEC ­19­31JUL08­1/1
	StellarSupport.Deere.com	after the time of printing. For up to date information,
	NOTE: Product functionality may not be fully represented	please visit StellarSupport.Deere.com.
	in this document due to product changes occurring
		OUO6050,0000FA5 ­19­22OCT08­1/1

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Contents

Page

Page

Safety

Recognize Safety Information ............................	05­1
Understand Signal Words...................................	05­1
Follow Safety Instructions...................................	05­1
Practice Safe Maintenance.................................	05­2
Handle Electronic Components and
Brackets Safely..............................................	05­2
Operate Guidance Systems Safely ....................	05­3
Use Seat Belt Properly.......................................	05­3

Theory of Operation

Theory of Operation............................................

10­1

Machine and Implement Setup

Setup..................................................................	15­1
Client, Farm, Field, and Task Setup ...................	15­2
Machine Setup....................................................	15­3
Machine Offsets..................................................	15­5
Implement Setup ................................................	15­6
Implement Offsets ..............................................	15­8
Machine GPS Receiver Setup..........................	15­11
Implement GPS Receiver Setup.......................	15­12

Satellite Information

Satellite Information Softkey...............................

20­1

Surface Water Pro Setup

Setup tab............................................................	25­1
Benchmark Settings ...........................................	25­3
Creating a Benchmark Control Point..................	25­4
Calibrating to a Control Point..............................	25­4

Boundary and Tracking Setup

Record an External Boundary ............................

30­1

Survey

How to Survey a Field ........................................

35­1

Ditch

Setup Operation .................................................	40­1
Set Tracking Mode to Ditch Track ......................	40­3
Recorded Path for Ditching ................................	40­4
Record Ditch Track.............................................	40­4
Modify Ditch Track..............................................	40­6
View Drain Profile...............................................	40­7
Create Linear Drain Design................................	40­8
Create Best Fit Drain Design..............................	40­9

Cut or Clean Ditch Track ..................................

40­10

Levee

Set Operation to Levee.......................................	45­1
Set to Levee Track .............................................	45­3
Mark Path (Drive Dial)........................................	45­4
Record a Levee Track ........................................	45­5
Set A ­ B Lines....................................................	45­6
Pull Levee...........................................................	45­6

Troubleshooting and Diagnostics

Diagnostic Readings...........................................	50­1
Troubleshooting..................................................	50­3

Original Instructions. All information, illustrations and specifications in this manual are based on the latest information available at the time of publication.

The right is reserved to make changes at any time without notice.

COPYRIGHT © 2011

DEERE & COMPANY

Moline, Illinois

All rights reserved.

A John Deere ILLUSTRUCTION ® Manual

i

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Contents

ii

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Safety

Recognize Safety Information

This is a safety­alert symbol. When you see this symbol on your machine or in this manual, be alert to the potential for personal injury.

Follow recommended precautions and safe operating practices.

T81389 —UN—07DEC88

DX,ALERT ­19­29SEP98­1/1

Understand Signal Words

A signal word—DANGER, WARNING, or CAUTION—is used with the safety­alert symbol. DANGER identifies the most serious hazards.

DANGER or WARNING safety signs are located near specific hazards. General precautions are listed on CAUTION safety signs. CAUTION also calls attention to safety messages in this manual.

TS187 —19—30SEP88

DX,SIGNAL ­19­03MAR93­1/1

Follow Safety Instructions

Carefully read all safety messages in this manual and on your machine safety signs. Keep safety signs in good condition. Replace missing or damaged safety signs. Be sure new equipment components and repair parts include the current safety signs. Replacement safety signs are available from your John Deere dealer.

There can be additional safety information contained on parts and components sourced from suppliers that is not reproduced in this operator’s manual.

Learn how to operate the machine and how to use controls properly. Do not let anyone operate without instruction.

Keep your machine in proper working condition. Unauthorized modifications to the machine may impair the function and/or safety and affect machine life.

TS201 —UN—23AUG88

If you do not understand any part of this manual and need assistance, contact your John Deere dealer.

DX,READ ­19­16JUN09­1/1

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Safety

Practice Safe Maintenance

Understand service procedure before doing work. Keep area clean and dry.

Never lubricate, service, or adjust machine while it is moving. Keep hands, feet , and clothing from power­driven parts. Disengage all power and operate controls to relieve pressure. Lower equipment to the ground. Stop the engine. Remove the key. Allow machine to cool.

Securely support any machine elements that must be raised for service work.

Keep all parts in good condition and properly installed. Fix damage immediately. Replace worn or broken parts. Remove any buildup of grease, oil, or debris.

On self­propelled equipment, disconnect battery ground cable (­) before making adjustments on electrical systems or welding on machine.

On towed implements, disconnect wiring harnesses from tractor before servicing electrical system components or welding on machine.

Handle Electronic Components and Brackets

Safely

Falling while installing or removing electronic components mounted on equipment can cause serious injury. Use a ladder or platform to easily reach each mounting location. Use sturdy and secure footholds and handholds. Do not install or remove components in wet or icy conditions.

If installing or servicing a RTK base station on a tower or other tall structure, use a certified climber.

If installing or servicing a global positioning receiver mast used on an implement, use proper lifting techniques and wear proper protective equipment. The mast is heavy and can be awkward to handle. Two people are required when mounting locations are not accessible from the ground or from a service platform.

TS218 —UN—23AUG88

DX,SERV ­19­17FEB99­1/1

TS249 —UN—23AUG88

DX,WW,RECEIVER ­19­24AUG10­1/1

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Safety

	Operate Guidance Systems Safely	• Never get on or off a moving vehicle.
	Do not use guidance systems on roadways. Always turn	•	Verify the machine, implement, and guidance system
			are set up correctly. If using iTEC Pro, verify accurate
	off (disable) guidance systems before entering a roadway.
			boundaries have been defined.
	Do not attempt to turn on (activate) a guidance system
		• Remain alert and pay attention to the surrounding
	while transporting on a roadway.		environment.
	Guidance systems are intended to aid the operator in	• Take control of the steering wheel, when necessary, to
	performing field operations more efficiently. The operator		avoid field hazards, bystanders, equipment, or other
	is always responsible for the machine path.		obstacles.
	Guidance Systems include any application that automates	• Stop operation if poor visibility conditions impair your
			ability to operate the machine or identify people or
	vehicle steering. This includes, but may not be limited to,		obstacles in the machine path.
	AutoTrac, iGuide, iTEC Pro, ATU, and RowSense.	• Consider field conditions, visibility, and vehicle
	To prevent injury to the operator and bystanders:		configuration when selecting vehicle speed.
			JS56696,0000970 ­19­10MAY11­1/1
	Use Seat Belt Properly
	Use a seat belt when you operate with a roll­over
	protective structure (ROPS) or cab to minimize chance of
	injury from an accident such as an overturn.
	Do not use a seat belt if operating without a ROPS or cab.		—UN—23AUG88
	Inspect seat belt and mounting hardware at least
	Replace entire seat belt if mounting hardware, buckle,
	belt, or retractor show signs of damage.
	once a year. Look for signs of loose hardware or belt		TS205
	damage, such as cuts, fraying, extreme or unusual wear,

discoloration, or abrasion. Replace only with replacement parts approved for your machine. See your John Deere dealer.

DX,ROPS1 ­19­29OCT07­1/1

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Theory of Operation

Theory of Operation

Surface Water Pro is a two modular program—basic and advanced. Surface Water Pro (basic program) is designed for users to create levees and develop basic ditches

in their fields. Surface Water Pro Plus is an advanced ditching program that generates a “best fit drain”. Surface Water Pro Plus calculates the most effective drain in a field while moving the least amount of soil. This information is generated from vertical GPS signals calculated from StarFire 3000 or StarFire iTC receivers. Surface Water Pro Plus requires both a machine and implement receiver and cannot operate with just an implement receiver. Levee applications require John Deere RTK, and ditching requires either SF2 or RTK signal. For greater accuracy, we highly recommend the RTK solution.

NOTE: For best accuracy, recalibrate benchmark after power cycling the quick survey and absolute base station. When starting up the base station, the point of reference could shift slightly, so for the high­accuracy user, consider recalibrating.

Operating with an absolute survey base station reduces the need for benchmarking. In quick survey mode, anytime the base is moved or power is cycled, another calibration is required for high accuracy users.

John Deere implement mounts must be used because they reduce vibration and minimize hardware failures. Vibration mounts help minimize hardware failures over time, especially in ditching applications.

Record ditches from HIGH TO LOW elevation. Cut ditches in either direction.

To ensure highest system accuracy, do not operate Surface Water Pro and Pro Plus outside a ONE MILE radius of the Base Station.

Surface Water Pro features available on the GS3 display and our Apex Desktop Software provide value by offering ways to manage your topographic data better and ensure optimum water distribution for crop production. Apex Surface Water Pro features allow you to unload your GS3 survey data to generate Depression, Flow Direction, and Drainage maps utilizing GSDNet. You can also manage your Ditch and Levee Tracks from year to year by editing cut, slope, or drop of fall. Additionally, layering your ditch or levee tracks over your yield data displays your results from the work you completed. See your local John Deere Dealer or visit our website www.StellarSupport.com to learn more about these additional features for your Surface Water Pro program.

Reprogram receivers (Surface Water Pro Plus) at the vehicle receiver location. Each receiver must be updated individually every time a software update is available [3.20D or older]. You cannot have both receivers attached to the wiring harness when reprogramming.

IMPORTANT: A StarFire iTC receiver, or newer, is required for Surface Water Pro.

Surface Water Pro Plus does not support an Implement Receiver Only configuration. Do not run ditching with an implement receiver only—both a Machine & Implement receiver must be used to operate that software.

Surface Water Pro and Pro Plus Survey function is NOT compatible with Swath Control Pro. Do not use the survey function in conjunction with Swath Control Pro.

Surface Water Pro and Pro Plus is NOT compatible with iGuide Do not use in conjunction with iGuide.

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Machine and Implement Setup

Setup

Machine must be GreenStar Ready.	PC8663 —UN—05AUG05
To run Surface Water Pro, operator needs:
• GreenStar Ready Machine
• Constant Power	MENU Softkey
• Front Extension Harness (3 m or 10 m)	PC12601 —UN—10MAY10
• Implement Application
• Implement Receiver (if using Surface Water Pro Plus)
To make Surface Water Pro function, set up for the
following:
• Machine
• Machine GPS receiver
• Implement (Optional for some functions)	StarFire 3000 Machine Softkey
• Implement GPS receiver (Optional)	PC13595 —UN—11MAY11
• Guidance (Optional)
• Implement Harness (Optional)
Turn GS3 system on after connecting all hardware
components.
Receivers are used on both the machine and implement
for some ditching applications. If two receivers are used,
verify both StarFire 3000 receiver softkeys (Machine and	StarFire 3000 Implement Softkey
Implement) are shown on the display.	JS56696,00009D1 ­19­19MAY11­1/1

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Machine and Implement Setup

Client, Farm, Field, and Task Setup

This is a required step for boundaries to run survey mode or to record ditch and levee tracks.

Select MENU softkey >> GREENSTAR 3 PRO softkey >> RESOURCES/CONDITIONS softkey >> RESOURCES tab.

The documentation screen allows the setup of operations and specific details associated with those operations.

IMPORTANT: When setting up the display with vehicle key in the accessory position (power on, engine off), turn key to OFF position for 20 seconds BEFORE starting the vehicle. This ensures the setup data is saved to the USB flash drive before operating.

If the vehicle is running during setup and programming, turn off the vehicle with key in the OFF position and wait 30 seconds before restarting. This ensures all data is saved to the USB flash drive.

DO NOT turn the key to the start position directly from the accessory position. The reduction

in voltage during the starting phase could result in a loss of all setup data.

Choose the correct information from CLIENT, FARM, FIELD, and TASK drop­down box or input new information. Task is required only if Documentation is used. It is not needed to set or AutoTrac ditch or levee tracks. Always setting tasks is a good standard practice though.

PC8663 —UN—05AUG05

MENU softkey

PC12685 —UN—14JUL10

GREENSTAR 3 PRO softkey

PC8676 —UN—05AUG05

RESOURCES/CONDITIONS softkey

PC10857BV —UN—15JUL08

Resources tab

JS56696,00009D2 ­19­19MAY11­1/1

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Machine and Implement Setup

Machine Setup	PC8663 —UN—05AUG05
Machine and Implement Offsets are critical for Surface
Water Pro to function.
Select MENU softkey >> GREENSTAR 3 PRO softkey	PC12685 —UN—14JUL10	MENU Softkey
>> EQUIPMENT—allows access to MACHINE and
IMPLEMENT setup screens.
	PC8677 —UN—05AUG05	GREENSTAR 3 PRO softkey
		EQUIPMENT Softkey
	PC10857BP —UN—15JUL08
		MACHINE tab
	Continued on next page	JS56696,00009D3 ­19­01JUN11­1/3

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Machine and Implement Setup

Machine Tab

NOTE: All items and changes will be saved under the current machine name.

Offsets are provided by some ISO implements and some John Deere tractors. Some list boxes may be grayed out when the machine is automatically recognized.

When setting up Surface Water Pro for the first time, creating a machine name for the vehicle is recommended. All dimensions and parameters set for this vehicle are used for Surface Water Pro operations.

The Machine and Implement tabs are required to be populated with equipment information such as:

•Type

•Model

•Name

•Offsets

Machine Type—Vehicle type being used (e.g. Tractor, Combine, Sprayer).

Machine Model—Model number of the vehicle being used. For John Deere vehicles, model numbers will be available from the drop down list.

Machine Name—The name is used to further clarify which machine is being used. For instance, if there are two 8430’s in your operation, the machine names may be “John” and “Deere”, or “8430­1” and “8430­2”, or simply “1” and “2”. However, settings associated to the tractor, such as turning radius, turn sensitivity, dimensions, etc., are stored to the name.

	PC13768 —UN—17MAY11
Machine Tab
A—Machine Tab	H—Machine Turn Radius input
B—Implement 1 Tab	box
C—Implement 2 Tab	I— Turning Sensitivity input
D—Machine Type drop­down	box
menu	J—Change Offsets button
E—Machine Model drop­down	K—Recording Source
menu	drop­down menu
F—Machine Name drop­down	L—Record/Pause button
menu	M—COM Port button
G—Connection Type	N—Fuel button (Business Pack
drop­down menu	/ Europe Only)

Continued on next page

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Machine and Implement Setup

NOTE: Machine Turn Radius and Turning Sensitivity are for use with iTEC Pro only.

Machine Turn Radius—How sharp the machine can turn without an implement attached and without applying brake pressure. The turn radius is half the diameter as measured at the center of the rear axle of a row crop tractor, and the pivot point on tracks and 4WD tractors. Example: 8030 wheel tractors have a minimum turn radius of 6.1—6.7 m (20—22 ft). Choose a number to start with and change as needed for accuracy.

Turning Sensitivity—AutoTrac gain setting when the vehicle is in an automated turn. This is adjustable by the operator to improve performance (default 70).

Verify proper dimensions correspond to the Machine selected.

NOTE: Not all recording sources are available for all machines.

R—Machine Turn Radius

PC9890 —UN—05FEB07

Machine Turn Radius

JS56696,00009D3 ­19­01JUN11­3/3

Machine Offsets

Select CHANGE OFFSETS button on Machine Setup screen.

Offsets are used to eliminate skips or overlaps due to an offset receiver.

To enter machine offsets:

•Select input box.

•Enter amount of offset in cm (in.) using numeric keypad and select enter button.

•Select the receiver toggle button to move the offset to the right or left of cab center.

If no receiver offset is required, RECEIVER OFFSET input box should read 0.

Machine offsets:

•A) Lateral Distance from center­line of machine to GPS receiver.

•B) In­line distance from non­steering axle to GPS Receiver.

•C) In­line distance from non­steering axle to connection point. The connection point is where the tractor connects to the implement (drawbar, hitch) except

on 2 pt pivoting implements (large planter). In this case, measure the distance back to the pivot point immediately behind the hitch.

•(D) Vertical distance from GPS receiver to the ground.

NOTE: Offset (D) is for use with Surface Water Pro.

	PC13269 —UN—28APR11
Machine Offsets
A—Lateral distance from	D—Vertical distance from GPS
center­line of machine to	receiver to the ground
GPS receiver	E—Offset Toggle button
B—In­line distance from	F—Non­Steering Axle Location
non­steering axle to GPS	drop­down menu
receiver
C—In­line distance from
non­steering axle to
connection point

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	Machine and Implement Setup
Implement Setup	PC8663 —UN—05AUG05
Implement 1 Tab
Select MENU softkey >> GREENSTAR 3 PRO softkey >>		MENU softkey
EQUIPMENT tab >> IMPLEMENT tab.	PC12685 —UN—14JUL10
	PC8677 —UN—05AUG05	GREENSTAR 3 PRO softkey
		EQUIPMENT softkey
	Continued on next page	JS56696,00009D5 ­19­18MAY11­1/2

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Machine and Implement Setup

Select Change Offsets button (G).

NOTE: All items and changes will be saved under the current implement name. Implement name is also the base for transferring data to the desktop software (if supported).

Verify implement setup before operating Surface Water Pro Plus. Be sure hydraulic hookups are in the proper locations and no other changes to the implement have been made that could cause unexpected behavior or a change in vertical receiver position.

When using Surface Water Pro Plus for the first time, it is necessary to define a name for the implement being used. All dimensions and parameters including GPS offsets on the implement is stored to this name.

For implement setup, the following tabs are required to be populated:

•Implement Type

•Implement Model

•Implement Name—information is stored in relation to this name

Verify or Enter implement: Type, Model, and Name in drop­down boxes.

Implement name allows operator to save implement dimensions.

PC13799 —UN—02JUN11

Implement Tab

A—Machine tab	F—Implement Name
B—Implement 1 tab	drop­down menu
C—Implement 2 tab	G—Change Offsets button
D—Implement Type drop­down	H—GPS Offsets button
menu	I— Change Widths button
E—Implement Model
drop­down menu

NOTE: Select the correct name before changing any offset dimensions.

Implement Type is required to be selected. Implement Names are filtered by the type when Implement Model is selected. For example, scraper or rotary ditcher.

Select CHANGE OFFSET button (G) and proceed to following Implement Offsets section.

CHANGE WIDTHS button (I)—IMPLEMENT WIDTHS are used to calculate CUT VOLUME on the EDIT DRAIN screen. For example, Implement Width is entered as the cutting blade width for the scraper.

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Machine and Implement Setup

Implement Offsets

Select MENU softkey >> GREENSTAR 3 PRO softkey >> EQUIPMENT softkey >> IMPLEMENT tab >> CHANGE OFFSETS button.

IMPORTANT: Distance (D) is measured when the implement is in the FULLY RAISED position. This dimension is critical for accurate ditch designs.

Remember: Always measure to the same place on the receiver when measuring (that is, top, middle, and others).

Implement Offsets—Used to define the actual implement position relative to the tractor. This is important for ensuring the implement is lined up to the field at the end of turns and in determining where the implement is for the Minimize Skips and Minimize Overlaps feature (see Change Settings on Machine tab).

•A) In­line distance from connection point to front of implement. On pull­type implements, think of this as the tongue. For more precision, it is actually the dimension from the pinbolt to the front side of where the work gets done (front ranks of field cultivator, seed drop point on a planter).

•B) Working Length of the implement. On ground engagement tools, this is the distance from the front rank of sweeps or points to the rear rank. Refer to implement manufacturer’s Operator’s Manual for this value.

•C) Lateral distance from connection point to control point of implement. This is the lateral distance from the center of the tractor to the center of the implement which will be 0.0 for most common implements. This dimension is used to alert the operator to potential collisions. This is critical for proper end­turn performance and may need to be adjusted.

•D) In­line distance from connection point to control point of implement. In many cases, this distance will be from the connection point to the carrying wheels. For proper turns, measure this distance with implement at the height it typically will be at while turning.

NOTE: These dimensions may need to be adjusted for fine­tuning performance in the field.

IMPORTANT: Ensure vertical distance (D) is measured from the GPS receiver to the ground when the implement is in the FULLY RAISED position.

PC11405 —UN—15OCT08

Implement Offsets

A—In­line distance from connection point to front of implement.

B—In­line distance from front to rear of implement.

C—Lateral distance from connection point to control point of implement.

D—In­line distance from connection point to control point of implement.

E—In­line distance from connection point to connection point for second implement. Value only needed if second implement is used.

F—Offset Toggle button G—A+B = Documentation / Swath Control location

when in use.

Remember: Always measure to the exact same place on the receiver when measuring (that is, top, middle, and others.).

NOTE: For a rotary ditcher, dimension (C) refers to the distance from the receiver to the cutting edge. On a rotary ditcher the cutting edge is the bottom of the paddle wheel, since this contacts the soil first. This dimension could be adjusted depending on individual requirements.

Continued on next page

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Machine and Implement Setup

PC10376 —UN—13OCT07

Scraper Overhead

PC10375A —UN—14OCT07

Scraper Profile

A—In­line distance from connection pivot point to GPS receiver.

B—Lateral distance from implement center to GPS receiver.

C—Vertical distance from the GPS receiver to the cutting edge.

D—Vertical distance from the GPS receiver to the ground in the fully raised position.

E—Offset Toggle button F—Accept button

Continued on next page

PC10378A —UN—14OCT07

Rotary Ditcher Overhead

PC10377 —UN—13OCT07

Pull Type Rotary Ditcher Profile

PC13801 —UN—02JUN11

Implement GPS Offsets

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Machine and Implement Setup

	PC9902 —UN—09JAN07	PC9903 —UN—09JAN07
	Track Spacing	Track Spacing
A—m (ft)/(rows) button	C—Track Spacing	E—Row Width
B—Implement Width	D—Physical Width

Implement Widths—Used to enter implement width and track spacing for guidance. This value is also used to calculate total area when documenting the operation. Verify implement type, model, name, implement width and track spacing when changing implements. Implement width and track spacing are independent of each other.

NOTE: IMPLEMENT tab will show HEADER for Combines, ROW UNITS for Cotton Pickers, and BOOM for Sprayer.

Implement width may come from controller on select controllers such as SeedStar.

In some cases, a higher degree of precision can be achieved for track spacing when track spacing is entered in by rows instead of feet. More decimal places are used in the track spacing calculation when entered in by rows versus the three decimal places allowed when entered by feet.

Defining Implement Width and Track Spacing.

Implement width and track spacing can be defined two ways: enter the working width of the implement, or enter the number of rows and the row spacing. To toggle between these two, select the m (ft)/(rows) button.

•Implement Width m (ft)—enter total implement working width

•Implement Width rows—enter number of rows and the row spacing in inches

Track Spacing—Used in guidance for how far each pass is from the last pass. It is entered the same way as Implement Width. For “perfect” guess rows, this distance will be the same as Implement Width. To ensure some

overlap for tillage or spraying, or to account for some GPS drift, you may choose to make the Track Spacing somewhat less than the Implement Width.

Physical Width—The actual width of the entire implement when being used in the field when the implement is raised. It is sometimes larger than Implement Width.

Using a planter as an example, the marker arms and blades are wider than the working width. This width needs to be entered if markers are not used, or are used and completely folded on the ends. If markers are only partially folded during turns, enter this larger dimension.

IMPORTANT: Width measurements are used to help alert an operator of potential intersections between the implement and an impassable boundary. The operator still needs to be aware of potential collisions if there are times the implement is wider than the dimension entered (e.g. marker arm lowered). If markers are used in the field, add the width of both markers to give ultimate alarms of possible intersections.

NOTE: As a buffer to avoid obstacles, additional Physical Widthmaybeaddedtotheimplementtocompensate for several things, one of these being GPS drift.

Signal	Approximate Physical Width
	added to Implement
RTK	0.6 m (2 ft)
SF2	0.9 m (3 ft)
SF1	3.4 m (11 ft)

Physical Width Table

Continued on next page

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