NFM - the scanner uses narrowband FM for the frequency.

Note: The default setting is AUTO.

Setting Channel Attenuation

Menu

program system

E

Select the system

E

Edit Group

E

 

Select the group

 

E

Edit Channel

E

 

Select the channel

E

Set Attenuator

 

E

This setting controls whether the scanner attenuates signals on this channel. Select your setting, then press E.

On - the channel is attenuated by about 18 dB.

Off - the channel is not attenuated.

Notes:

The default setting is Off.

You can also toggle this setting by holding on the channel and pressing Func and E.

Setting the Frequency Step

Menu

program system

E

Select the system

E

Edit Group

E

 

Select the group

E

Edit Channel

E

 

Select the channel

E

Set Step

E

 

This setting selects the frequency step used for setting the channel's. Select your setting, then press E.

Auto - the step is based on the band (see the table at the front of the manual)

Programming/Editing Optional Settings

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Image 64
Uniden SC230 owner manual Setting Channel Attenuation, Setting the Frequency Step