Installation Manual

THALES COMMUNICATIONS
OIM
AHV1600-SYSTEM
INTRO Page 3
July 16/09
5. UNCOMMON ABBREVIATIONS AND ACRONYMS
The following abbreviations, acronyms, and symbols are used in this manual:
Abbreviation/Acronym Identification
A/D Analogical/Digital
AGL Above Ground Level
AID Aircraft Installation Delay
ANT ANTenna
AU Altimeter Unit
BIT Built In Test
CBIT Continuous Built In Test
CR Carriage Return
CSCI Computer Software Configuration Item
CTZ Coastal Transition Zone
CW Continuous Wave
D/A Digital/Analogical
dB deciBel
dBm deciBel milliwatt
DC Direct Current
DMB Digital and Management Board
EMC ElectroMagnetic Compatibility
Fb Beat Frequency
FM Frequency Modulation
FT Functional Test
Fore Forward
HI HIgh
HIRF High Intensity Radiated Fields (Lightning)
IBIT Initiated Built-In-Test
IEC International Electronical Commission
I/O Input /Output
LO Low
LRU Line Replaceable Unit
LSB Lower Significant Bit
MAX MAXimum
MIN MINimum
MPC Multi Purpose Computer
NCD No height Computer Data
NO Normal Operation
PBIT Power On Built In Test
PC Printed Card
P/N Part Number
R/A or RA Radar Altimeter
RET RETurn
RF Radio Frequency
RL Return Loss
Rx Reception
S.I. International System