RING 2M7166 - Caterpillar

Introduction
Note: The contents of the "Setup Menu" dialog are site configurable. Depending on the "Operator Configuration" settings for your system, some of the options, soft keys, or views discussed in this manual may not be accessible. Refer to your site supervisor if a specific option is not available.The AccuGrade GPS software displays diagnostic information about the devices the software detects, and the GPS receiver. Normally you will not need to use this function.Use the Diagnostics dialog to view the status of the devices connected to the AccuGrade GPS system. Access the dialog from the Setup Menu – Configuration dialog.Checking the System Diagnostics
To access diagnostic information complete the following steps:
From the Setup Menu – Configuration dialog, press the Down arrow until "Diagnostics" is highlighted.
Illustration 1 g01128510
Press the OK key. The Diagnostics screen appears. Refer to Illustration 1.The screen displays a list of devices that are currently connected to the AccuGrade GPS system. The screen also shows the current status of each of the devices. If the device is detected, the device's firmware version appears in the "App." column. If the device is not detected the status is shown as "Not Found".The following devices are listed:
CD550A display
MS980C GPS receivers
VM410 valve control module
AS400 angle sensor
A4:M1 machine ECM
Press the "Recheck" soft key in order to recheck whether all the system devices are connected and responding.Checking GPS Status
Press the "GPS" soft key in order to view the status of the GPS receiver and examine the quality of the GPS solution.GPS Antenna Screens
The Left Antenna and Right Antenna screens are similar. The following dialog shows the Left Antenna screen. Refer to Illustration 2.
Illustration 2 g01111091
The first screen displayed is the left antenna screen. In order to view information for the right antenna screen, press the "Right Antenna" soft key.Note: When viewing the Right Antenna Diagnostic window, the Left antenna acts a base for Right antennaTable 1 explains the fields within these dialogs.
Table 1
GPS Antenna Fields    
Item     Explanation    
Satellites Used     Number of satellites used for the current GPS position solution. The satellites must be visible at both the base station and at the machine's GPS antenna.
You need five or more satellites to initialize, and four or more to continue working.    
Satellites PDOP     PDOP is a quality indicator of the current GPS position solution. A small PDOP is better. The PDOP must be less than seven.    
Satellites L1     of good quality L1 signals being received at both the base and the machine GPS antenna.    
Satellites L2     Number of good quality L2 signals being received at both the base and the machine GPS antenna. RTK position status
RTK search status    
GPS Error     An estimate of the current GPS error in the horizontal and vertical directions.    
GPS mode     Type of GPS solution.    
GPS antenna status     Shows as OK if the system is working correctly.
   
RTK position status    
RTK search status    Data Link Screen
In order To access the Data Link screen, press the "Data