27
FM Mode Operation
FT-891 Advance Manual
Tone Squelch Operation
The “Tone Squelch” may be activated to silence the receiver until an incoming signal
modulated with a matching CTCSS tone is received. The receiver squelch will then open
only when a signal with the selected CTCSS tone is received.
1. Press and hold the [
BAND
(
MODE
)] key for
one second.
The “MODE SELECT” screen will appear in
the display.
2. Rotate the
DIAL
knob to select the “FM”
mode.
3. Press the [
F
] key repeatedly, to find the “FM
SETTING” list screen.
NOTE:
This screen may be enabled/
disabled via Menu Mode “
05-10
[
FM SETTING
]”.
4. Rotate the
MULTI
function knob to select
[
T/DCS
], then press the
MULTI
function
knob.
5. If CTCSS Tone operation is desired, rotate
the
MULTI
function knob to select “CTCSS
ENC/DEC”, then press the
MULTI
function
knob.
6. Press the
MULTI
function knob to save the new setting.
7. Rotate the
MULTI
function knob to select [
TONE
], and then press the
MULTI
function knob.
8. Rotate the
MULTI
function knob to select the desired CTCSS Tone to be used. A total
of 50 standard CTCSS tones are provided (see the CTCSS Tone Chart).
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
9. Press the
MULTI
function knob to save the new setting.
10. Press and hold the [
F
] key for one second to exit the “FM SETTING” list screen and
resume normal operation.
r
To set the Tone Squelch Operation to “OFF”:
1. Press the [
F
] key repeatedly, to find the “FM SETTING” list screen.
2. Rotate the
MULTI
function knob to select [
T/DCS
], then press the
MULTI
function
knob.
3. Press and hold the [
F
] key for one second to exit the “FM SETTING” list screen
and resume normal operation.
