Hear Clear; Security; Radio Lock; Unlocking Your Radio - Motorola SRX 2200 Model 3.5 User Manual

English
encryption keys are erased. Without this UKEK key, the
radio cannot be rekeyed over the air.
NOTICE:
This feature must be preprogrammed by a qualified
radio technician. Check with your dealer or system
administrator for more information.

Hear Clear

NOTICE:
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, such as 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.
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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 canceled without affecting the desired
audio signal.
The Random FM Noise Canceller operates only in
receive mode.

Security

This chapter explains the radio security features.

Radio Lock

This feature changes your radio to a more robust security
system that protects the use of the secure encryption keys.
If this feature is enabled in your radio by a qualified radio
technician, when you turn the radio on, the display shows
Radio locked.

Unlocking Your Radio

1 Enter your numeric password.