User Manual
20-428 Owner’s Manual
Page 13 of 50
downward one by one.
2. Press PGM. M changes to P.
3. Use the number keys and •/DELAY to enter the frequency (including the decimal point) you want
to store.
If you make a mistake, press CLEAR to delete a single digit or press and hold CLEAR about 2
seconds to delete all digits.
4. Press ENT to store the frequency into the channel.
Notes:
• If you made a mistake in Step 3, Invalid Freq. briefly appears and the scanner beeps when you
press ENT. Start again from Step 3.
• Your scanner automatically rounds the entered frequency to the nearest valid frequency. For
example, if you enter a frequency of 151.553, your scanner accepts it as 151.550.
• All scanners tune by steps. Your RadioShack scanner uses steps consistent with the latest US or
worldwide standards. If you enter a non-valid step frequency, any scanner will tune to the next step.
Some scanner designs do this without showing the correct step in the display. This scanner will
show the actual tuned frequency in the display. Because steps are so close together, the audio
quality will not be affected by the offset.
• After a transmission, the scanner automatically pauses for 2 seconds on this channel before
proceeding to the next active transmission. Press •/DELAY to turn the delay function off or on. See
“Using Delay”. The scanner stores this setting in the channel.
5. If necessary, press MODE to change the receiving mode.
6. If desired, program a text tag for the channel (see “Assigning a Text Tag to a Channel”).
7. The next channel in sequence is ready for programming. Press PROG then repeat steps 3 through
6.
CTCSS and DCS
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
specific CTCSS or DCS code. CTCSS and DCS can also help reduce instances where interfering
signals 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.