CTCSS - the scanner only opens squelch if the CTCSS tone you select is also present with the signal. The scanner then prompts you to enter or scroll to the desired tone.
DCS - the scanner only opens squelch if the DCS tone you select is also present with the signal. The scanner then prompts you to enter or scroll to the desired tone.
Set Lockout - the scanner does not stop on the channel if the tone you select is present. The scanner prompts you to select a CTCSS or DCS tone.
Notes:
•The default setting is Off.
•See “What is CTCSS/DCS?” on Page 20 for a complete list of CTCSS and DCS tones.
Setting the System Frequency Modulation
Menu
Srch/CloCall Opt
Set Modulation
Auto - the scanner uses the default modulation for the frequency band.
AM - the scanner uses AM (amplitude 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.
WFM - the scanner uses wideband 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
Programming/Editing Optional Settings
87