Training, Installation & Service Manual - Livewire Connections Ltd

Glossary
ETSI
European Telecommunication Standard Institute
F
FPGA
Field Programmable Gate Array
G
GNSS
GPL
GPS
Global Navigation Satellite System, e.g. GPS.
General Public License
Global Positioning System. A system of satellites, computers, and receivers that is
able to determine the latitude and longitude of a receiver on Earth by calculating the
time difference for signals from different satellites to reach the receiver.
H
HDT
HeaDing True, NMEA sentence.
I
IEC
ISM
International Electrotechnical Commission. The international standards and
conformity assessment body for all fields of electrotechnology.
Inertial Sensor Module
K
KDM
Keyboard and Display Module of the ACU
L
LAN
LEN
LGPL
LNB
LO
Local Area Network
Load Equivalent Number
Lesser General Public License
Low Noise Block. A device used to amplify or boost the weak received signal without
amplifying the noise signals (hence the “low noise” part of LNB) and to convert the
high frequencies of the signal into lower frequencies, a process called down
converting, for conveyance to the indoor equipment (demodulator) for processing.
Local Oscillator. LO frequency used by BUC and LNB.
Glossary-2
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