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RC4000 ACU Boardset
COMP:
<0>NONE <1>TRUCK <2>TOP <3>BACK <4>BASE
This item specifies whether or not the optional fluxgate compass is present and how the compass is
mounted if it is present. If the compass is specified as "TOP" or "BACK" (referring to an antenna mounted
compass), the RC4000 will require that the dish be moved to the DEPLOY position to obtain magnetic
heading information. If the compass option was not purchased, this field will always remain at 0.
COMP OFF:
COMPASS OFFSET <+/-180.0 DEGREES>
The azim_cal_offset item specifies the number of degrees to offset the heading reading with respect to
the heading of the centerline of the azimuth axis. The default value for this reading is 0. A value other
than 0 may need to be entered to correct for some mechanical misalignment in the system (see
and Elevation Alignment
This value will also need to be set if there is an intentional difference between the alignment of the
compass and the centerline of azimuth movement.
AZ DISP:
INIT AZIM DISPLAY <1-ANT 3-MAG 4-TRUE>
This value allows the user to select what format (antenna angle, magnetic heading or true heading) the
azimuth position is initially displayed in the MANUAL and LOCATE modes. Traditionally, the antenna
angle derived from the mount position sensor is the format displayed by the RC4000.
4.1.10).
99
Chapter 3
Software
Azimuth
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