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Beyond the Basics
programming CTCSS/DCS channels
Your scanner features an advanced, DSP based CTCSS
and DCS decoder. CTCSS and DCS allow you to program
frequencies into your scanner that are used by more than
one group in your area and listen only to the group that is of
interest to you by specifying the group’s specifi c CTCSS or
DCS code. CTCSS and DCS can also help reduce interfering
signals that cause your scanner to stop on one channel.
There are two ways you can program your scanner to
operate with CTCSS and DCS. If you know the CTCSS or
DCS code that is used on a particular frequency, you can
manually enter the code when you are programming the
scanner, or any time afterwards. You can also set a special
search code that instantly decodes the CTCSS or DCS code
on a received transmission. Channels programmed with the
search code will receive all traffi c on the channel, and will
instantly decode and display any CTCSS or DCS code that is
found with the transmission. You can then store the code in
channel memory. For more information on using CTCSS and
DCS while scanning, see “Using CTCSS and DCS”.
1. Enter a conventional frequency.
2. Press MODE until the desired mode (CT for CTCSS, and DC
for DCS) appears on the display.
3. By default, the search code is programmed. To program
a specifi c code, press FUNC, MODE, and then use the arrow
keys to scroll to the desired CTCSS or DCS code. You can
also use the keypad to enter the code manually.
4. Once the desired code is selected, press ENT to store it in
channel memory.
5. You can program memory channels for CTCSS or DCS
operation at any time. Simply place the scanner in
program mode, navigate to the channel you wish to