User Manual Part 1

FSG 90F System
Abbreviations
Page 6 November 2000
W. Dittel GmbH
Abbreviations
A/C Aircraft
A/N Article Number (DITTEL)
AGC Automatic Gain Control
Ah Ampere hour
AM Amplitude Modulation
ANT Antenna
Ass'y Assembly
AWG American Wire Gauge
ccw
Counterclockwise (turn left ?)
CH Channel
CTS Ready-to-Transmit
cw
Clockwise (turn right ?)
dB Decibel
dia. Diameter
EMF Electromotive Force (voltage of
an open circuit)
F/CH Frequency/Channel
FL Flight Level
g Acceleration due to gravity
GND Ground
HI High Power
Hz Hertz
ICAO
International Civil Aviation Organization
IF Intermediate Frequency
kHz Kilohertz
LCD Liquid Crystal Display
LED Light Emitting Diode
LO Low Power
LOS Line-Of-Sight
m Modulation
mA Milliamperes
MD Mode
MHz Megahertz
MIC Microphone
mW Milliwatt
NM Nautical miles
nW Nanowatt (10
-9
)
PEP Peak Envelope Power
PLL Phase-Locked Loop
ppm parts per million
PTT Push-To-Talk
pW Picowatt (10
-12
)
PWR Power
RF Radio Frequency
rms Effective value (root mean
square)
RTS Invitation to send
RX Receive
RxD Receive data
S+N/N Signal-to-Noise Ratio
SINAD
Ratio:
Signal noise distortion
noise distortion
+ +
+
SPKR Loudspeaker
SQ Squelch
STBY Standby
STO Store
SWR Standing-Wave Ratio
TOT Time out timer
TX Transmit
TxD Transmit data
VCO Voltage-Controlled Oscillator
Vdc Volts, direct current
VHF Very-High Frequency
VOL Volume
VSWR Voltage Standing-Wave Ratio
W Watt
O Ohm
°C Degrees Centigrade
°F Degrees Fahrenheit