User Manual

Note:
This feature must be preprogrammed by a
qualified radio technician. Check with your
dealer or system administrator for more
information.
Hear Clear
Note:
This feature must be preprogrammed by a
qualified radio technician. Check with your
dealer or system administrator for more
information.
There are two components of Hear Clear.
Companding
Reduces the channel noise, e.g.
OTA transmission, that is
predominantly present in UHF2 and
900 MHz channel with the following
features.
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 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.
Security
Radio Lock
This feature changes your radio to a more robust
security system that protects the use of the secure
encryption keys.
Advanced Features
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