10
Using the Squelch Feature
FT-25R/FT-25E Advance Manual
Setting CTCSS Tone frequency
The tone frequency can be selected from 50 frequencies (67.0 Hz to 254.1 Hz).
1. Press and hold the
F
key to enter the Set Mode.
2.
Press the [▲] or [▼] key to select Set Mode Item “
8 CTCSS
”
3. Press the
F
key to enable adjustment of this item.
4.
Press the [▲] or [▼] key to select the “
TX
” or “
RX
”, then press the
F
key.
Display
Description
TX
To set the tone frequency on transmitting.
RX
To set the tone frequency on receiving.
5.
Press the [▲] or [▼] key until the needed Tone Frequency is displayed. (Obtain the
correct tone from the repeater owner/operator if you don’t know it).
CTCSS TONE FREQUENCY (Hz)
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
–
–
–
–
6. When you have made your selection, press the
F
key to save the desired tone fre-
quency.
7. Press and hold the
F
key to move the upper menu contents in the Set Mode.
8. Press the
PTT
switch to exit to normal operation.