EDGE GP-CUTTING 3187842 - Caterpillar

Designs
A design must contain a design surface.The design surface contains vertical guidance information for a specific area. The design surface can be an irregular surface or a flat plane. The difference in position between the height of the cutting edge of the blade and the height of the design surface, at the same place, is called cut or fill. The software for the AccuGrade System displays the cut or the fill on the light bars and on the Display.The AccuGrade System uses the design information in order to control the movement of the blade when the automatic controls are enabled.Note: In some cases, the design surface is a large vertical distance from the current machine position. Use the working surface options to temporarily raise or lower the design surface to a feasible working surface. For more information, refer to Operation and Maintenance Manual, "Vertical Guidance".Avoidance zones
A beeper alerts you as the machine approaches an avoidance zone.Avoidance zones are designated areas that you must keep away from. Avoidance zones can be sitewide, or avoidance zones can be specific to a particular design surface. The AccuGrade System provides avoidance zone proximity detection at the blade tips. If the distance from the ripper to the blade has been configured, avoidance zone proximity detection is also given relative to the rippers, and is based on the width of the blade.Site avoidance zones
When the system is turned on, Site avoidance zones are automatically loaded from the Data Card and displayed in the Plan View. Site avoidance zone proximity detection is provided until the Display is turned off. Note: If the Site avoidance zone cannot be loaded, the Display will be turned off. The data card with the avoidance zone must be removed from the Display in order to continue operation. Contact your site manager.Design avoidance zones
Design avoidance zones are specific to a design surface. Design avoidance zones load from the data card System as the design is loaded.Design avoidance zones are shown in the Plan View of the Display. Design avoidance zone proximity detection is provided while the design surface remains loaded.Note: If the Design avoidance zone cannot be loaded, the selected design will not be loaded. Select an alternative design surface in order to continue. Contact your site manager.No avoidance zone guidance
While any of the following warning messages are displayed, avoidance zone guidance is not given:
"V. Low Accuracy"
"No GPS Data (Left)"
"No GPS Data (Right)"
"Old Position"
"No GPS Receiver Data"
"Invalid GPS" DataIf any of the above messages appear, the following warnings are activated:
the "NO AVOID " indicator appears on the guidance screens
the "Avoid. Dist." text item, if configured, appears as N/AFor more information on GPS quality, refer to operation and Maintenance Manual, "Flashing Warning Messages".Warning levels
As the machine approaches an avoidance zone, three levels of warning are given.Note: Your supervisor sets the warning distance for the avoidance zone. This distance can vary with the selected machine type. Ask what the avoidance zone is set to for your machine.If you are within three times the