Table of Contents
Advertisement
b) While holding Top Side (Select) button down,
press the Top (Orange) button.
The display shows Please wait. When all the
encryption keys have been erased, the display
shows All keys erased.
Note: Do not press the Top (Orange) button
before pressing the Top Side (Select) button,
unless you are in an emergency situation as
this sends an emergency alarm.
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
Trunking System Controls
Using the Failsoft System
background noise
flow and the speech
Expander
Random FM
Reduces the unwanted effects of
Noise
random FM noise pulses caused by
Canceller
channel fading under high Signal-to-
(Flutter
Noise (S/N) conditions such as in a
Fighter)
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.
The failsoft system ensures continuous radio
communications during a trunked system failure. If a
trunking system fails completely, the radio goes into
signal at transmitting
radio.
Expands the speech
while the noise flow
remains the same at
receiving radio.
55
English
Advertisement
Table of Contents
