TM 11-5820-890-30-5 Abbreviation A AC AD A/D ADMC AGC ALC ANLG ANT AR AR AT AT AUD AUX AVAIL BCD BS BTRY CAL CB CB1 CCA CCTS CCW CHAN CLK CLOS CLR cm CM CNTL COM CPR CT CVSD CW DC dBm DDCO DDI APPENDIX  E.  GLOSSARY Section  I.  ABBREVIATIONS Description ampere Alternating   current Analog  data Analog  to  digital Analog/digital   mode   control Automatic   gain   control Automatic   level   control Analog Antenna Analog  receive Audio   receive Analog   transmit Audio   transmit Audio Auxiliary Available Binary-coded   decimal Bit sync Battery Calibrate Circuit  breaker Circuit  breaker  1 Circuit  card  assembly Circuits Counter-clockwise Channel Clock Closure Clear Centimeter Control-monitor Control Common Cardiopulmonary   resuscitation Cipher  text Continuously  variable  slope delta Clockwise Direct  current Decibels  at  one  milliwatt (power) Digital  data  clock  out Digital  data  input Abbreviation DDMC DDR DDT DEMOD DET DGT DMM DRA DSPL DSQ ECCM EIR EMP ENBL ERF ETM EXT FCTN FH FH/M FREQ FREQ CNTR FSK FCTN FCTN GEN GND HI HLDG HPF Hz ICS I/D I/O IF INFO INHB INP INT KB/S kg Description Digital  data  mode  control Digital  data  receive Digital  data  transmit Demodulated Detector Digital Digital   multi-meter Data  rate  adapter Display Digital  squelch Electronic   Counter- Countermeasures Equipment   Improvement Recommendations Electro-magnetic   pulse Enable ECCM  remote  fill Elapsed  time  meter External Function Frequency  hopping Frequency    hopping/master Frequency Frequency   counter Frequency  shift  keying Function Function   generator Ground High Holding High  pass  filter Hertz Intercommunications    System Integrate  and  dump Input/output Intermediate    frequency Information Inhibit input internal Kilobit  per  second Kilogram E-1