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RC4000 ACU Boardset
3.2.2.7 Position
The POSITION mode allows the user to set the latitude, longitude and heading of the vehicle for
subsequent use in calculating pointing angles to satellites. The first screen that appears shows the
current mount position used in the RC4000. Note: Mount "position" consists of the mount's latitude,
longitude and true heading of the azimuth centerline.
L/L:38°56N
ANT BEARING:225.0 FLUXGATE
<1>LAT/LON <2>HEADING
The mount's position will not be retained at power off unless the position is explicitly saved by pressing
the "4" key. If the position is saved, the date and time that the position was saved is noted.
3.2.2.7.1 LAT/LON
When the user chooses to modify latitude and longitude, a screen appears showing the current lat/lon
and the source of that value. In the example screen, the source shows that the current lat/lon was
obtained from the GPS. If the current values had been entered manually, "MANUAL" would show for the
source. If the current values had come from the preset vehicle location list (see Preset Locations
configuration 3.3.1.1.2), the name (ex. WICHITA) of the preset location would appear. If there is currently
no valid lat/lon, "NO POS SOURCE" would be displayed.
38°56N
SELECT LAT/LON SOURCE #
<1>MANUAL <2>PRESET <3>GPS
The user is prompted to select what type of source (manual entry, preset location list, gps) to use to
modify lat/lon.
Manual Lat/Lon Entry
38°56N
LAT:
MANUALLY ENTER LAT/LON
The user is provided two fields to manually enter lat and lon. See
how to enter latitude and longitude.
Preset Location List
38°56N
2 37°36N
<SCR>THRU LIST <ENTER>SELECT <BKSP>EXIT
The user scrolls through the list of preset locations and selects the displayed location by pressing the
Enter key. Note that the number within the list (2) is displayed along with the name and lat/lon.
Chapter 3
94°44W GPS
94°44W GPS
94°44W GPS
LON:
<MODE>EXIT
94°44W GPS
97°18W WICHITA
83
POSITION
NOT SAVED
<4>SAVE
<MODE>EXIT
LAT/LON
LAT/LON
3.1.3
(Data Entry) for instructions on
LAT/LON
Software
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