Crop Circle Handheld System Operator`s Manual
Contents
1. SCIENTIFIC Appendix A Formatting SD Flash Cards The file system utilized by the GeoSCOUT is DOS compatible that is files written by the GeoSCOUT to the SD flash card can be read by PCs running Microsoft Windows operating systems or other PC operating systems that can read DOS text files Because the DOS file system supported by the GeoSCOUT is the FAT type also referred to as FAT 16 SD flash cards should be formatted as FAT so as to be recognized by the GeoSCOUT The procedure to do so is outlined below Step 1 Insert your SD flash card into a SD flash card reader connected to your computer Note if do not have a SD flash card reader you will need to purchase one at your local electronics store Step 2 Select the My Computer icon on the desktop screen Click the icon to open it Step 3 Right click on the SD flash card icon and select the format option from the list Step 4 The format window is shown on Capacity the right Click on the File System tab and sl select FAT as shown File system Allocation unit size Default allocation size volume label Format options C Quick Format Step 5 Next check the Quick Format Foma Box and then press start MS Windows will Capacity then begin the formatting process and will eae prompt you when the process is complete in When complete remove the card The RE SD flash Card is now ready for use by Default allocation size the GeoSCOUT2. volume label Format options Quick Format NS B Crop Circle Handheld Care and Maintenance Maintaining the handheld system is relatively easy and straight forward Proper care and storage of the system will help ensure reliable and repeatable operation Follow the recommendations below to properly care for your Crop Circle Handheld Before use Inspect connectors prior to use Clean to remove any dust or Soil from interfering with connectors Use a moist soft cotton cloth to clean surfaces and enclosure Never use an abrasive cleaner or rough cloth Never use a solvent based cleaner on the enclosure Storage Between field surveys and after the seasonal usage the handheld system should be stored at room temperature and in low humidity environment Disconnect all cables and store the handheld system in its storage case The 5 A hr battery pack should be periodically float charged during long storage periods Cables Check all cables before and after use Look for damage to pins and wire sheaths Note bare or frayed wires can cause an electrical hazard that may present a danger to the user by stander and or damage the instrumentation If damage is noticed contact Holland Scientific for repair or replacement of cable Holland SCIENTIFIC Crop Circle Handheld System C Notes 6 Holland SCIENTIFIC
3. turn off power to the sensor in order to conserve battery power The sensor will be powered down after 5 minutes of inactivity in the Ready mode This button is used to commence data collection causing the GeoSCOUT to enter the LOG mode While in the LOG mode pressing this button will terminate data collection and close the data file written to the SD flash card When in the CONFIG mode this button allows the user to acknowledge SCIENTIFIC Holland i e OK that the user wishes to change the option displayed 2 3 Configuring the GeoSCOUT Configuration Options When in the CONFIG mode users can scroll through the following options using the UP and DOWN keys Within each option various Submenu options exist and are as follows Backlight Adjustment This feature allows the user to set four levels of backlight intensity By using the UP and DOWN buttons the intensity of the backlight can be changed The intensity can be selected by pressing the OK button Press the ESC button to return to the main menu without changing the backlight setting Find GPS Pressing the OK button causes the GeoSCOUT to search for the proper GPS connection Once the GeoSCOUT finds the appropriate baud rate it will display On Line If no GPS is used the GeoSCOUT will scan all baud rates and direct users to check the connections GPS Logging Configuration This submenu feature allows various GPS parameters to be logged into the data fi
4. Crop Circle Handheld User s Manual SCIENTIFIC Holland Scientific Inc 5011 South 73 Street Lincoln NE 68516 4236 Tel Fax 1 402 488 1226 www hollandscientific com support hollandscientific com sales hollandscientific com DN 4003 Rev3 7 15 11 Holland SCIENTIFIC TABLE OF CONTENTS Safety and Warranty Information 1 Product Overview 1 1 Introduction 1 2 Specifications 2 Getting Started 2 1 Making Your First Measurement 2 2 GeoSCOUT User Interface 2 3 Configuring the GeoSCOUT 2 4 Crop Circle Handheld Operational Overview Appendix A Formatting SD Flash Cards B Crop Circle Handheld Care and Maintenance C Notes SCIENTIFIC Holland SAFETY This product has been designed and tested to be a safe and environmentally friendly device To ensure safe operation and to keep the product safe the information cautions and warnings in this manual must be followed CERTIFICATION Holland Scientific certifies that this product met its published specifications at the time of manufacture Accuracy of the data recorded by this data acquisition system depends on the user adhering to the procedures published in this manual WARRANTY Holland Scientific warranties this product against defects in material and workmanship for a period of one year from the date of shipment During the warranty period Holland Scientific will at its option either repair or replace products that prove to be d
5. TC Date string from the GPS as the filename with a 2 digit Holland SCIENTIFIC Crop Circle Handheld System letter index extension This file naming convention will allow a maximum of 626 files to be created per day For example a MAP filename may look as follows 101205AA csv In the PLOT mode the files are given the name SITE followed by a 4 digit numeric extension This file naming convention will allow 10 000 plot files to be created and stored on the SD flash card For example a PLOT filename may look as follows SITE0000 CSV A sample portion of a GeoSCOUT data file is shown in Figure 4 The data file contains plot data collected from a Crop Circle Handheld System This sample fiel has data collected from three plots 1 2 and 3 The sensor fields in this file SF1 to SF6 represent the sensor elapsed time sensor mode ACS 210 internal sample number normalized difference vegetative index NDVI near infrared band reflectance NIR and visible band reflectance VIS respectively Additional vegetative indices may be calculated from the reflectance band information Please refer to the Crop Circle Sensor User s Manual for a list of indices and data field listing nA SIT E0003 CSV n 1 1 1 1 1 2 2 2 2 2 3 3 a 3 3 QJ 116300 SCiEN TIFIC Holland Figure 4 Sample data set collected by Crop Circle Handheld System in PLOT mode using ACS 210 sensor 2 4 1 Sensor Usage Considerat
6. a Simply toggle the trigger switch and your Crop Circle Handheld System will begin collecting data The sample number advancement is indicated on the GeoSCOUT s display as well as the current plot number When you are through collecting data press the LOG button to stop the data acquisition process This will close the data file stored on the flash card You may now remove the flash card by pushing on the card It will click and pop out slightly from the slot Pull the card from slot and place it into a card reader connected to your PC in order to access your sensor data 2 2 GeoSCOUT User Interface The front panel of the GeoSCOUT has a 2 line by 16 character LCD display and five command buttons to select operation options and to facilitate data collection The user can navigate the GeoSCOUT s three modes of operation using the keyboard The 3 modes of operation are Operational Mode Mode Description Standby This mode allows the user to enter the CONFIG Mode LOG Mode or scroll through GPS and sensor data on the display by pressing the DISP button Configuration CONFIG This mode is entered by pressing the MENU button while the sensor is in the Standby Mode Pressing this button while in the LOG Mode has no effect This mode allows the user to log sensor data to a file contained on the SD flash card Logging is initiated and terminated by pressing the LOG button Logging can be paused and resumed by pressing the PAUSE button Use o
7. ch DB 9 cable to the GeoSCOUT sensor input port e Connect the battery pack power plug into the GeoSCOUT power input The Crop Circle Handheld System is now ready to operate Note the FieldPAK power supply may need to be recharged Please use the AC wall mounted battery charger provided with your Crop Circle Handheld to recharge the FieldPAK supply To charge connect the battery package power plug into the mating connector on the charger and then plug the charger into the wall Step 2 Insert an SD flash card into the GeoSCOUT card slot An SD flash card has the form factor shown to the right Be sure the SD flash is formatted for the DOS FAT file system format Flash cards supplied by Holland Scientific will be formatted with the proper file system Note most SD flash cards come formatted in FAT format as opposed to FAT 32 Please see Appendix A for details on formatting flash cards When purchasing flash cards be sure they have the SD logo on them The GeoSCOUT is not compatible with MMC cards Holland SCIENTIFIC Step 3 Pressthe ON OFF button The GeoSCOUT start up prompt will display followed shortly by the Select Sys Mode prompt Step 4 Use the Down Arrow to select the Plot mode Press the OK button The GeoSCOUT will now enter the PLOT operational mode Step 5 After the display changes press the LOG button The mode prompt will change from READY to PAUSE The GeoSCOUT is now ready to begin collecting dat
8. e does not use the GPS signal and subsequently ignores the GPS if it is connected to the GeoSCOUT MAP Mode When the MAP mode is selected the GeoSCOUT will collect both GPS and sensor data and store this data to a comma separated variable CSV file on the SD flash card Data can be later retrieved and analyzed using third party map rendering software Data collection is initiated by pressing the LOG button and data collection commences automatically Data collection can be paused by pressing the PAUSE button To resume data collection press the PAUSE button again PLOT Mode When the PLOT mode is selected the GeoSCOUT will collect only sensor data and save this data to a text file on the SD flash card The file format will include a plot number starting at 1 followed by the sample number within the plot followed finally with the sensor data Data collection in the PLOT mode can be initiated via pressing the LOG button The GeoSCOUT will respond by initializing the plot number and sample number on the LCD display By pressing the PAUSE button the GeoSCOUT will begin storing data to the SD flash card When the PAUSE button is pressed again data collection will stop Pressing the pause button again will begin data collection again first by advancing the plot number and clearing the Sample counter and then by saving sensor data to the SD flash file File naming in both the MAP and PLOT modes is automatic In the MAP the GeoSCOUT uses the U
9. e of an in line fuse Holland SCIENTIFIC MENU ESC escape PAUSE DOWN Arrow LOG OK This button allows the user to enter the CONFIG mode to make changes to the GeoSCOUT s configuration When in the CONFIG mode the MENU ESC button works as the escape button to exit submenus with out making changes to settings When changes to the GeoSCOUT configuration are complete the menu mode can be exited by pressing MENU ESC button to return to the STANDBY mode DISP Display UP Arrow When the GeoSCOUT is in the STANDBY and LOG modes this button allows the user to scroll through the sensor and GPS parameters When in the CONFIG mode this button functions as the UP Arrow for scrolling through the various menu and submenu options In the STANDBY and LOG modes users can view the sensor and GPS data being collected by the GeoSCOUT Each time the DISP button is pressed the display screen will advance to the next data set The first few data screens show GPS and system information while the latter screens show sensor data When in the LOG mode this button allows the user to pause the data collection process Pressing the button again while the GeoSCOUT is paused will resume data collection When the GeoSCOUT is in the CONFIG mode this button functions as the DOWN Arrow to scroll backward through the various menu and submenu options For ACS 430 and ACS 470 sensors pressing the pause button in the READY mode will
10. efective For products returned to Holland Scientific for warranty service Buyer shall prepay shipping charges to Holland Scientific and Holland Scientific shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to Holland Scientific from another country LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance Information in this manual is subject to change without notice No liability is assumed for damages resulting from the use of this information device or software described Holland SCIENTIFIC Crop Circle Handheld System Crop Circle Handheld System Operator s Manual 1 Product Overview 1 1 Introduction The Crop Circle Handheld System integrates our popular ACS 210 or ACS430 and ACS470 sensors GeoSCOUT GLS 400 and a 5 A hr battery pack into a single portable and easy to use scouting instrument The Crop Circle Handheld System is ideal for plot work and crop scouting Figure 1 below shows the main features of a Crop Circle Handheld System Figure 1 Crop Circle Handheld System components SCIENTIFIC Holland Crop Circle Handheld System 1 2 Speci
11. f the DISP button allows viewing of the various sensor and GPS parameters SCIENTIFIC Holland Sample GeoSCOUT screens for the various modes are shown below see Figure 3 When in the STANDBY mode the LCD will display READY next to the mode indicator M The sample number N and plot number P will either contain data from the previous log file or will be blank The system status indicator M has three possible display values READY LOG or PAUSE The value displayed is dependent on the acquisition state of the GeoSCOUT When actively logging data the system Status indicator will display LOG When the GeoSCOUT is in the pause state the system status indicator will read PAUSE STANDBY LOG Mode GeoSCOUT STANDBY Mode GeoSCOUT paused state while in LOG Mode GeoSCOUT LOG Mode showing Plot 1 and 35 samples recorded GeoSCOUT CONFIG Mode use of the up and down buttons will display the various configuration options Figure 3 Example GeoSCOUT Display Screens Keyboard button functions are defined as follows ON OFF This button is used to turn the data logger ON and OFF In the ON position power is provided to both the GPS if connected and SENSOR via the serial ports For GPS units supplied by Holland Scientific the GPS will receive its power through the GPS serial port When auxiliary automobile power cigarette lighter cords are used to power GPS units these cords should be short circuit protected via us
12. fications The following specifications are subject to change without notification Specifications Sensor Crop Circle ACS 430 or ACS 470 Datalogger GeoSCOUT GLS 400 Power Source 5 A hr Sealed Lead Acid SLA battery Battery Life Approximately 8 to 10 hrs before recharging Extension Rod 2 4 ft 0 61 1 22 m adjustable Sensor Mount Two way adjustable swivel bracket System weight 10 Ibs 4 5 kg Storage Case High impact polyethylene case 2 Getting Started 2 1 Making Your First Measurement When you receive your Crop Circle Handheld system it will be packaged as shown in Figure 2 Your system will require minimal assembly before use Please follow the procedure outlined below in order to assemble and operate your instrument Figure 2 Packaged Crop Circle Handheld System Holland SCIENTIFIC To begin assembling and collecting data with your Crop Circle Handheld System please follow the steps listed below Step 1 Assembly procedure a Connect the sensor to the swivel bracket use the two thumbscrews threaded into the Crop Circle sensor b Mount the GeoSCOUT GLS 400 on to the adjustable GeoSCOUT mounting plate located next to the trigger switch both the GeoSCOUT and its mount have Velcro applied to their mating Surfaces merely align these surfaces and lightly press together C Attached the sensor to the coiled cable that is connected th the trigger switch assembly d Last attach the trigger swit
13. ions Figure 5 diagrammatically shows an ACS 430 or ACS 470 sensor mounted at height h above a plane target The width of the projected beam when mounted height h above a target is defined by the following equation 2 h tan gt 0 82 h where 0 is the angular FOV in degrees 40 45 degrees for the ACS 430 w is the projected beam width and h is the height of the sensor above the target Figure 5 Sensor Field of View FOV The sensor should be positioned between 30 and 48 inches from the top of the plant canopy for optimal measurement performance see Figure 6 Please note however the sensor s measurement range is 10 to 120 inches When selecting a plant to sensor measurement distance take in consideration the FOV angle of the sensor For example the beam width at canopy level will be 0 82 times the distance between the sensor and canopy Ata plant to sensor distance of 36 SCIENTIFIC Holland Crop Circle Handheld System inches the beam width will be 20 inches wide Selecting the appropriate plant to sensor distance can be useful in minimizing soil background reflectance in certain applications Figure 6 Optimal sensor to plant canopy distance should be between 22 to 60 inches The sensors should be connected to the mounting bracket using the thumb screws provided with the handheld system Note do not over tighten bolts Excessive torgue will strip the tapped threads in the sensor body 6 Holland
14. le The GPS parameters are described below GPS Parameter This function allows spatial interpolation of data ON or OFF points between successive GPS location data points Elevation ON or Antenna elevation parameter in meters OFF Fix Type Log ON Differential fix type 0 No Fix or OFF 1 GPS Fix 2 Differential Fix 6 Estimated UTC Time Log ON Universal time stamp or OFF Speed Log ON or Vehicle speed parameter in kph OFF Course Log ON or Vehicle course in degrees from in a clockwise OFF direction Consult your GPS sensor s user guide for accuracy specifications as they relate to fix type enumerations Annunciator Use the Up Down Arrows to select the beeper mode Press the OK button to except selection or press the ESC button to return to the main configuration menu SCIENTIFIC Holland Set Sensor Type Crop Circle ACS 225LR Geonics EM 38 EM 38B and EM 38DD DUALEM 1S and 2S Crop Circle ACS 470 Crop Circle ACS 430 selecting the 430 sensor type also selects legacy ACS 210 sensors Configure CC Sensor Set Sample Rate 2 4 Crop Circle Handheld Operational Overview 2 4 1 General Overview The Crop Circle Handheld System may be operated in one of two data acquisition modes These modes are the MAP mode and the PLOT mode One of these two modes is selected by the user when the GeoSCOUT is powered up If the MAP mode is selected a GPS is required for proper operation of the GeoSCOUT The PLOT mod
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