TM 1-1520-238-T-10 GLOSSARY (cont) GLOSSARY (cent) ABBR AZ B B B+ BAT BATT BBC BCD BFO BIT BIT BK BL BLK BLU BLWR BRK BRN BRSIT BRST BRT BRU BST BT BTL BTRY BUCS BUFF BUS BW DEFINITION azimuth battery motor/fan B plus electric circuit battery battery backup bus controller binary code decimal beat frequency oscillator built-in test binary digit brake butt line black blue blower brake brown boresight burst bright boresight reticle unit boost battery bottle battery back up control system buffer buss bar bandwidth ABBR BYP C C C CAB CAS CAUT CB CBR CC CCM CCW CDS CDU CH CHAN CHAR CHAS CHGR CHK CHRG CHRGR CKRG CKT CLK CLTV CM CMD COAX COL DEFINITION bypass capacitor close common cabin air blower command augumentation system caution circuit breaker chemical biological radiological calibration constant counter counter measures counter clockwise controls/display subsystem computer display unit channel channel character chassis charger check charger charger clock regulator circuit clock collective command cruise mode display coaxial collision Glossary-2