Compressor Reduces the
background noise
flow and the speech
signal at transmitting
radio.
Expander Expands the speech
while the noise flow
remains the same at
receiving radio.
Random FM
Noise
Canceller
(Flutter
Fighter)
Reduces the unwanted effects of
random FM noise pulses caused by
channel fading under high Signal-to-
Noise (S/N) conditions such as in a
moving in a transportation. The
fading effects, heard as audio pops
and clicks, are cancelled without
affecting the desired audio signal.
The Random FM Noise Canceller
operates only in receive mode.
Global Positioning System (GPS)
This feature uses information from the Global
Positioning System (GPS) satellites orbiting the Earth
to determine the approximate geographical location of
your radio, expressed as latitude and longitude or
MGRS format per request from customers. The
availability and accuracy of this location information
(and the amount of time that it takes to calculate it)
varies depending on the environment in which you
are using the GPS feature.
For example, GPS location fixes are very difficult to
obtain indoors, in covered locations, between high
buildings, or in situations where you have not
established a clear broad view of the sky.
Once GPS is enabled, the radio displays the GPS
icon on the screen. The dispatcher can always
request the system to determine the real-time location
coordinates of the radio.
GPS Operation
The GPS technology uses radio signals from earth
orbiting satellites, to establish the location
coordinates, maximizing your view of clear
unobstructed sky is essential for optimum
performance.
Where adequate signals from multiple satellites are
not available (usually because you cannot establish a
view of a wide area of the sky), the GPS feature of
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