Setting modulation, Setting attenuation – Uniden UBC396T User Manual

Page 67

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Programming Radio Systems

the frequencies are the control channel frequencies.
Otherwise, you must enter all of the frequencies.

Setting Modulation

Program System

Select the system

Set Modulation

Auto

- the scanner uses the default modulation for

the frequency band.

FM

- the scanner uses FM (frequency modulation) for

the frequency band.

NFM

- the scanner uses narrowband FM for the

frequency band.

Note: The default setting is Auto.

This setting controls the modulation method used for
the frequency band. In most cases, if you leave this
set to Auto, the scanner automatically selects the
correct modulation type for the system you are
programming.

Setting Attenuation

Program System

Select the system

Set Attenuator

This setting controls whether the attenuator will be on
or off for the current system. Select your setting then
press the scroll control.

Off

- the attenuator is off.

On

- system frequencies are attenuated by about 18

dB.

Notes:

• Turn on this setting if you are near strong signal

sources. Attenuation can help reduce interference
and desensitization that strong signals create.

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