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Programming Radio Systems
61
the frequencies are the control channel frequencies.
Otherwise, you must enter all of the frequencies.
Select the system
- the scanner uses the default modulation for
the frequency band.
- the scanner uses FM (frequency modulation) for
the frequency band.
- the scanner uses narrowband FM for the
frequency band.
The default setting is .
This setting controls the modulation method used for
the frequency band. In most cases, if you leave this
set to , the scanner automatically selects the
correct modulation type for the system you are
Programming.
Select the system
This setting controls whether the attenuator will be on
or off for the current system. Select your setting then
press the scroll control.
- the attenuator is off.
- system frequencies are attenuated by about
18 dB.
• Turn on this setting if you are near strong signal
sources. Attenuation can help reduce interference
And desensitization that strong signals create.
Setting Modulation
Setting Attenuation
Program System
Set Modulation
Auto
FM
NFM
Auto
Auto
Program System
Set Attenuator
Off
On
Note:
Notes: