Research Concepts RC2000C - Manual (Page 59)

RC2000C Az/El Tracking Antenna Controller Chapter 5 Modes Function Description 51
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5.9 RE-SYNC Mode
SELECT A SATELLITE: PANAMSAT-1 RE-SYNC
USE SCROLL UP/DOWN, ENTER TO SELECT
The RE-SYNC feature allows the azimuth and elevation positions of a satellite stored in non-volatile
memory to be loaded into the controller's current azimuth and elevation position counters. This feature
is useful if a faulty position sensor or a noise impulse results in an errant position count. By using this
feature, the user simply has to correct one satellite location, and the RC2000C automatically will correct
all others.
1. While in MANUAL mode, jog the antenna to a satellite whose location was previously stored in
memory. (NOTE: Do not re-sync using an inclined orbit satellite!) Use a Ku band satellite if
possible.
2. Proceed to RE-SYNC mode.
3. Scroll through the list of assigned satellites (in alphabetical order) until the correct satellite name is
displayed.
4. Press the ENTER key. The system will respond with the message
RE-SYNC ACCOMPLISHED
and will return to MANUAL mode.
5. With an assistant out at the antenna, validate the accuracy of the limits by moving the antenna to all
four limit positions (Azim CCW, Azim CW, down, and up).
5.10 CONFIG Mode
The CONFIG mode allows the user to view and/or modify various controller parameters and to enable
or disable certain features. When this mode is active, the SCROLL keys may be used to select various
items for either viewing or modification. To change the value of a parameter, the user can simply key in
a new value. The BKSP (backspace) KEY is active during data entry. If a new value is keyed in, for the
change to take effect and update the parameter's value in the controller's non-volatile memory, the entry
must be terminated with the ENTER key. If the present value of the parameter is invalid, '*' characters
will be displayed in the item's data field. If the user terminates a data entry with the ENTER key and the
value is accepted, the next CONFIG mode item will be displayed. If the user terminates a data entry
with the ENTER key and the data is not accepted, the CONFIG mode item will not change. The MODE
key can be pressed at any time to exit CONFIG mode.
Access to certain CONFIG mode items can be restricted depending on the status of the Expert Access
flag and by the values currently assigned to certain CONFIG mode items. When the Expert Access flag
is reset (see section 2.5), the only CONFIG mode items which will be accessible will be the AutoPol
Enable, Simultaneous Az/El Enable, and Expert Access Enable. When the Expert Access flag is set,
access to the other CONFIG mode items can be further restricted by the value of a controlling CONFIG
mode item.
An example will clarify the concept of a controlling CONFIG mode item. Three CONFIG mode items
related to access to the controller via its serial port are Remote Mode Enable, Comm Port Address, and
Comm Baud Rate. The Remote Mode Enable CONFIG item is the controlling item for the Comm Port
Address and Comm Baud Rate items. If the Remote Mode Enable CONFIG mode item has a value of 0
(disabled) then the other two items will not appear in the list of CONFIG mode items. In the descriptions
which follow the controlling items and the items that are controlled by other items will be clearly
delineated.