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6
RC1500B Single Axis Tracking Antenna Controller
banner. The symbols displayed are ... \, |, /, -, \, ., and + and a function of the voltage applied to
the drive.
The RC1500 employs a software servo system to maintain a constant slow speed. The user
specifies a slow speed via the Slow Speed CONFIG mode item. As the antenna moves at slow
speed the controller determines the antenna speed by measuring the time interval between
successive position pulses. The voltage applied to the drive is adjusted to maintain a constant
antenna speed. As the voltage applied to the drive increases the \, |, /, and – symbols appear to
rotate clockwise. Similarly, as the voltage ramps down the symbols appear to rotate counter-
clockwise. The . symbol is displayed when the minimum voltage is applied to the drive and the
+ symbol is displayed when the maximum voltage is applied to the drive.
AUTO
SELECT SAT
GALAXY 6
AUT
This mode allows the user to automatically position the antenna on any satellite that has been
programmed into memory via SETUP mode. The list of programmed satellites is reviewed via
the SCROLL UP/DOWN keys, and the ENTER key initiates the automatic move. The STOP
key will terminate the move. When the antenna is positioned, the controller will switch to
MANUAL mode for a geostationary satellite, and track mode is activated for an inclined orbit
satellite.
REMOTE
1673 50 H 247
GALAXY 6 F
REM
In this mode the controller receives and acts on commands received via the communications
port. This mode can only receive control if enabled via the Remote Enable CONFIG mode item.
The only key which is active is the MODE key, which can be used to switch to a different mode.
SETUP
761 74 H 132
TELSTAR302 F
SET
This mode allows the user to store satellite position and horizontal/vertical polarization values
into the controller's non-volatile memory. Once stored in memory, the satellite is available for
recall by AUTO mode.
Research Concepts, Inc.; 5420 Martindale; Shawnee, KS 66218
Chapter 2
Basic Function
WWW.RESEARCHCONCEPTS.COM
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