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This setting controls how a sub audible CTCSS or DCS is used for the channel.
Select your setting, then press .
Off — any signal opens squelch. The default setting is Off.
Search — the scanner searches for and displays any CTCSS or DCS tone that
accompanies the transmission.
CTCSS — the scanner only opens squelch if the CTCSS tone you sel ect is also
present with the signal. The scanner then prompts you to enter or s croll to the
desired tone.
DCS — the scanner only opens squelch if the DCS tone you s elect is also present
with the signal. The scanner then prompts you to enter or scroll to th e 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.
Note: The scanner does not detect or decode a P25 digital signal if the channel or
search has CTCSS/DCS search turned on.
Quick CTCSS/DCS Save
If you set a channel to CTCSS/DCS Search and the scanner detects a tone, when
you press [EYES], the first option is Save found CTCSS/DCS?
[MENU] Program System
Select the conventional system
Edit Group
Select a channel group
Edit Channel
Select the Channel
Set Modulation
Auto — the scanner uses the default modulation for the channel. Th e default
setting is Auto.
AM — the scanner uses AM (amplitude modulation) for the channel.
FM — the scanner uses FM (frequency modulation) for the channel.
NFM — the scanner uses narrowband FM for the channel.
WFM — the scanner uses wideband FM for the channel.
Setting Channel Modulation Method C
UB335ZH.book Page 88 Friday, March 17, 2006 4:35 PM