TM 11-7025-229-12
GLOSSARY
AGC............................................................................................... Automatic Gain Control
ATTN ............................................................................................. Attention (command completed)
CBUSY .......................................................................................... Command Busy (command bus in use)
DAC ............................................................................................... Digital-to-Analog Converter
DEV SEL........................................................................................ Device Select (address selected on UNIT SELECT
thumbwheel switch)
DISREP ......................................................................................... Discrepancy in Shipment Report
DREQ ............................................................................................ Data Request
EIR ................................................................................................ Equipment Improvement Recommendations
ESML ............................................................................................. Expendable Supplies and Materials List
HDA ............................................................................................... Head Disk Assembly
HEAD LOAD ENABLE ................................................................... Signal that releases brake
HSLT ............................................................................................. Head Select
IMS ................................................................................................ Input Motor Speed
LED................................................................................................ Light-Emitting Diode
PCB ............................................................................................... Printed-Circuits Boards
PMCS ............................................................................................ Preventive Maintenance Checks and Services
POSX............................................................................................. Positioner control and reference
PROM ............................................................................................ Programmable Read Only Memory
RAM............................................................................................... Random Access Memory
ROD............................................................................................... Report of Discrepancy
RSTR ............................................................................................. Read Signal Transfer
SPEED LOW ................................................................................. Spindle feedback signal that indicates the spindle is
not up to speed.
Glossary-1