CTCSS Operation
Your scanner is equipped with a Continuous Tone Control Squelch System (CTCSS) which allows
squelch to open only when the tone you have programmed with a specific frequency is received
along with a transmission. When using CTCSS, consider the following:
You do not have to use CTCSS tones while scanning.
You cannot enter CTCSS tones in the AM Air Band.
If you have more questions about CTCSS, see
What is CTCSS
on page 5.
Programming a Channel with a CTCSS Tone
1.
Select a channel you want to program.
2.
Enter a frequency.
a. Use your keypad to enter the
frequency you want.
b. Then press
e
.
3.
Press
K
, and then press
e
.
If CTCSS Mode is already selected, then
only press
e
.
4.
Enter a tone.
a. Use your keypad, Rotary Tuner, or
h
and
i
to select the tone.
b. Then press
e
.
Note:
If you make a mistake while entering a tone with you keypad, press
.
twice and enter the
tone again. If you’re using the Rotary Tuner, make sure that FREQ is selected.
5.
Press
K
to cancel the CTCSS Mode.
The CTCSS indicator and displayed tones
are turned off but not deleted.
SCAN
MANUAL
PRI TRUNK DATA
L/O
DELAY
CTCSS
1
2
4
7
5
8
0
3
6
9
E
a
b
33
