NEC FD1165 Maintenance Manual page 12

LIST OF ABBREVIATIONS
A Ampere
DIR Direction Select
DCG Disk Change
DLH Door Lock Hold
DSX Drive Select
FDD Flexible Disk Drive
FM Frequency Modulation
FUR File Unsafe Reset
FUS File Unsafe
HLD Head Load
IC Integrated Circuit
IDX Index
I/O Input/Output
k 1000
kg Kilogram
LED Light Emitting Diode
LSI Large-Scale Integration
LWC Low Write Current
rnA Milliampere
MB Megabyte
MFM Modified Frequency Modulation
ms Millisecond
mV Millivolt
PCB Printed Circuit Board
POH Power-On-Hours
pp Peak-To-Peak
PRT Write Protect
ROT Read Data
ROY Ready
rpm revolutions per minute
SRO Standardized Read Data
SSL Side Select
STP Step
SYC Synchronization
TKO Track 00
TSD Two-Sided Disk
TTL Transistor Transistor Logic
USE In Use
Vdc Volts direct current
VFO Variable Frequency Oscillator
WDT Write Data
WGT Write Gate
WID Window
~s Microsecond