Thommen STRATOTIMER ST3, Installation And Operating Manual

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Installation and Operating Manual
Stratotimer ST3
31-20-01
Page 4
INTRODUCTION
Revision: 1.00
12/06/2020
10. List of Abbreviations
Abbreviation Description
3-ATI 3 Inch Air Transport Indicator
AMM Aircraft Maintenance Manual
ARINC Aeronautical Radio Incorporated
ATA Air Transport Association
BIT Built-In Test
CBIT Continuous Built-In Test
CHRON Chronograph
CMM Component Maintenance Manual
CRC Cyclic Redundancy Check
CS Certification Specification
DAC Digital-to-Analog Converter
DAL Design Assurance Level
DCI Discrete Input signal
DCIO Discrete Input / Output signal
DCO Discrete Output signal
ET Elapsed Timer
ETD Elapsed Timer Down
ETSO European Technical Standard Order
FAR Federal Aviation Regulation
FC Failure Code
FRAM Ferroelectric Random Access Memory
FT Flight Timer
GND Ground
GPIO General Purpose Input / Output
GPS Global Positioning System
HW Hardware
Hz Hertz
IBIT Initiated Built-In Test
ID Identification
INSOP Installation and Operating Manual
IO Inputs / Outputs
LRU Line-Replaceable Unit