ACRONYMS/ABBREVIATIONS
A - 1
APPENDIX A - ACRONYMS AND ABBREVIATIONS
The following is a list of acronyms and abbreviations that are used by Vertex
Control Systems and may appear in this manual.
A Amperes
AC Alternating Current
ACS Antenna Control System
ACU Antenna Control Unit
A/D Analog-to-Digital
ADU Antenna Drive Unit
AGC Automatic Gain Control
AOS Acquisition of Star
ASCII American Standard Code for Information Interchange
ASSY Assembly
AST Adaptive Steptrack
AZ Azimuth
BCD Binary Coded Decimal
BDC Block Downconverter
BIT Built-In Test
BW Bandwidth
CCW Counterclockwise
CFE Customer-Furnished Equipment
COM Common
CPU Central Processing Unit
CR Carriage return
CRLF Carriage return/line feed
CW Clockwise
dB Decibel
dBm Decibel referred to 1 milliwatt
DC Direct Current
deg Degrees
DMM Digital Multimeter
DOS Disk Operating System
EIA Electronic Industries Association
EIC Encoder Input Circuit
EL Elevation
EPROM Erasable Programmable Read-Only Memory
E STOP Emergency stop