TM  11-5820-890-30-4 Abbreviation A A AC ACQ AD A/D ADI ADMC AGC ALC ALM AM AMP AMPL ANLG ANT AR AR AR AT AT AT AUD AUX AVAIL AWG BA BATT BCD Bll BIT BLK BRN BS B/S BTRY C C CAL CB CC CCA CCD APPENDIX Section I. ABBREVIATIONS Description Ampere Army Alternating   current Acquisition Analog  data Analog  to  digital Acquisition  data  input Analog  data  mode  control Automatic  gain  control Automatic  level  control Alarm Audio  module Amplifier Amplifier Analog Antenna Analog  receive As  required Audio  receive Analog  transmit Attenuator Audio  transmit Audio Auxiliary Available American  wire  gauge Buffer  amplifier Battery Binary  coded  decimal Basic issue items Built-in  test Black Brown Bit synchronized Bits  per  second Battery Capacitor Celsius   or   centigrade Calibrate Circuit  breaker Center  conductor Circuit  card  assembly Command  and  control  data E.  GLOSSARY Abbreviation CCI CCTS CCW C-E CH CHAN CHG CLK CLOS CLR cm CM CM CMOS CMSC CNT CNTL CNTR COEI COM COMSEC CONT CONV CPR CT CVSD CW D DA D/A dB dBm DC DDC DDCO DDI DDMC DDR DOT DEMOD Description Controlled  cryptographic  item Circuits Counterclockwise Communications-electronics Channel Channel Change Clock Closure Clear Centimeter Control  module Control-monitor Complementary   metal-oxide semiconductor COMSEC Counter Control Counter Component  of  end  item Common Communications   security Control Converter Cardiopulmonary  resuscitation Cipher text Continuously  variable  slope detector Clockwise Drain  (electron  device) Department  of  the  Army Digital to analog Decibel Decibels  at  one  milliwatt (power) Direct  current Digital  data  clock Digital  data  clock  out Digital  data  input Digital  data  mode  control Digital  data  receive Digital  data  transmit Demodulated E-1