1.14.2.4 The ACU Subsystem Menu

The icons below the tracking diagram are the ACU subsystem menu. They give access to some less frequently used parameters of the antenna control system.

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Clicking to the ODM icon opens a window which permits access to all parameters of the ODM directly. Also the the color of the icon signals the fault state of the ODM device. With the ODM device window there are a couple of parameters which control the behavior of the tracking subsystem. Chapter 'The ODM Detailed Parameter Screens' gives a detailed description of them.

The BCRX icon opens a window directly to operate / configure the beacon receiver attached to the ACU. This window is required to set some beacon receiver parameters which are not accessible thru the application main screen.

The 'VIEW PLOT' button opens a separate graphical Y/T display window which gives more detailed information about what the tracking engine did during the recorded hours. It provides variable scales, and permits to display additional information. The display shows either the azimuth or the elevation pointing found at the beginning of each tracking step together with the beacon level measured at this time. The following additional information may be included to the diagram:

Clicking to the 'SATELLITE SELECT' button opens a window which lets you store and recall the position and the tracking parameters of several satellites. Also the ephemeris data for the pointing robot are entered here. Chapter 'The Satellite Select Screen' explains the functions of this screen.