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AgGPS Parallel Swathing Option Answers What does the AgGPS Parallel Swathing Option do? The AgGPS Parallel Swathing Option adds lightbar aided guidance to the AgGPS 132 and Case AFS Universal Receiver. The lightbar provides off track information which the operator uses to steer back on line. What benefit does the AgGPS Parallel Swathing Option provide? AgGPS parallel swathing reduces farm expenses by enabling equipment operators to minimize redundant applications and skipped areas through efficient field coverage. This allows maximum ground coverage in the shortest time possible. Savings are further created by reducing equipment fuel consumption, lowering input material volumes and freeing operator time. In addition, operators can avoid costly work stops by swathing in low visibility conditions such as dust, fog and darkness. When is the AgGPS Parallel Swathing Option used? The AgGPS 132 Parallel Swathing Option can be used when chemical spraying, fertilizer and lime spreading, tilling and during seedbed preparation. Who will use the AgGPS Parallel Swathing Option? The AgGPS Parallel Swathing Option is designed for operators of spreader equipment. Additionally, post-emerge applicators can upgrade from foam marker systems to the AgGPS Parallel Swathing Option. What GPS receivers support the AgGPS Parallel Swathing Option? The AgGPS Parallel Swathing Option is available for the AgGPS 132 and Case AFS Universal Receiver. How accurate is the AgGPS Parallel Swathing Option? Initial field trials comparing GPS and foam marker guidance show that when using the AgGPS Parallel Swathing Option, skilled equipment operators regularly achieved less than 1.5% overlap and skip. The cross track error in open fields is on the order of 2 ft (0.6 m). However, results will vary depending on operator driving skill and the DGPS correction quality. These tests were completed using an 80 ft (24m) boom. Are equipment operators more accurate using GPS or foam marker guidance? Initial field trials comparing GPS and foam marker guidance show that in ideal foam marking conditions, GPS and foam marker guidance achieve similar swath overlap and skip results. On spinner spreaders and in less ideal foam conditions, such as low visibility, wind, low humidity, rough terrain, and canopy crops, GPS swathing is more reliable and accurate than foam markers. What differential correction can be used when swathing with the AgGPS 132 or Case AFS Universal Receiver? The parallel swathing option operates using either beacon or satellite DGPS. Both Racal LandStar and OmniStar satellite DGPS services are supported. .How does the AgGPS Parallel Swathing Option reduce operator steering delay errors? The configurable look ahead setting allows the system to compute off line error a few seconds into the future. This capability provides advanced swath error warning and allows the operator to make corrections before a large swathing error occurs. BACKHow often are the lightbar LEDs updated? The lightbar LEDs are updated 5 times each second. BACKCan a lightbar be moved from receiver to receiver? A lightbar can be used with any AgGPS 132 or Case AFS Universal Receiver operating with firmware version 1.10 or greater. No password or other activation is required. An AgGPS 132 or Case AFS Universal Receiver operating with firmware released prior to version 1.10 must be upgraded to use the Parallel Swathing Option. How does the AgGPS Parallel Swathing Option lightbar indicate off track error? The AgGPS Parallel Swathing lightbar contains a row of LEDs (lights). The center LED represents the swath line. The LEDs to the left and right of center represent a user defined ground distance. For example, the operator may configure a 6 inch (0.15 m) LED sensitivity. In this example, the first led to the left of center represents six inches to the left of the swath line. The second LED to the left of center represents 1 ft (0.3m), the third LED 1 ft 6 in. (0.45m) and so on, to the end of the lightbar. When exactly on line, the center three LEDs illuminate. As the operator drives to the left of the swath line, the illumination band moves from the center LED toward the left edge of the lightbar. The operator steers to bring the illuminated LEDs back to cen ter.. BACKHow is the AgGPS Parallel Swathing Option configured to minimize skip? To minimize skip, the swath width setting is configured slightly narrower than actual boom width. This makes the parallel swaths closer together and minimizes skip as the normal driving errors occur. This method is used when the cost of having a skip, that is an untreated region of the field, outweighs the additional cost related to increased overlap. How is the AgGPS Parallel Swathing Option configured to minimize overlap ?How is the AgGPS Parallel Swathing Option configured to minimize overlap?How is the AgGPS Parallel Swathing Option configured to minimize overlap?To minimize overlap, the swath width setting is configured slightly wider than actual boom width. This makes the parallel swaths a little wider than the boom width which minimizes overlap as the normal driving errors occur. This feature is useful in situations where double application of a chemical or treatment will cause more harm than the small resulting skip. BACKHow is the Parallel Swathing Option configured to balance skip and overlap? The end of boom nozzles are usually set to apply chemical past the boom edge. Therefore the effective spray area is slightly larger than the boom width. To minimize skip and overlap, configure the swath width to the effective spray width. The effective spray width is dependent on the end boom nozzle spray characteristics. BACKDoes the AgGPS Parallel Swathing Option automatically increment the swath number? When the operator turns at the end of a swath, the row number is automatically incremented. BACKDoes the AgGPS Parallel Swathing Option allow equipment operators to leave the field in mid swath, return, and begin swathing as before? The pause/resume function allows operator to leave the swath row, navigate back to the pause location and begin swathing as before. BACKCan GPS data be output to other precision agriculture equipment while swathing? To activate the Parallel Swathing Option, the lightbar is attached to a single AgGPS 132 port. The other port can be independently configured to output NMEA data at a user selected interval to precision agriculture equipment including yield monitors, variable rate planters, application controllers, and portable field computers. Are computer skills required to use the AgGPS Parallel Swathing Option? No computer skills are required to use the AgGPS Parallel Swathing Option. BACKWhat is included in the AgGPS Parallel Swathing Option? The AgGPS Parallel Swathing Option contains the in-cab mounted AgGPS 21 lightbar, cable, and operating instructions. The cable connects the lightbar to the AgGPS 132 or Case AFS Universal Receiver. The lightbar supplies the operator off track swathing information. Home | What's New | Service & Support | Ag Equipment | Precision Ag Equipment | Truck Equipment | Used Equipment |
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