FT-25R/FT-25E Advance Manual
28
DTMF Operation
The
FT-25R/E
keypad allows easy DTMF dialing for Autopatch, and repeater control
purposes. Besides numerical digits [
0
] through [
9
], the keypad includes the [ ] and [ ]
characters, plus the [
A
], [
B
], [
C
], and [
D
] tones often used for repeater control.
Manual DTMF Tone Generation
The DTMF tones may be generated manually during transmission.
1. Press and hold the
F
key to enter the Set mode.
2.
Press the [▲] or [▼] key to select Set Mode Item “
12 DTMF SET
”.
3. Press the
F
key to enable adjustment of this Set Mode Item.
4. Press the
F
key, then press the [▲] or [▼] key to select “
MANUAL
”
Display
Description
MANUAL
(default setting)
Manual DTMF Tone Generation
AUTO
Autodial memory DTMF Tone
Generation
5. Press the
F
key to save the new setting.
6. Press the
PTT
switch to return to normal operation.
7. While pressing the
PTT
switch to transmit, enter the desired number on the keypad.
Each DTMF code is a combination of 2 frequencies.
1209Hz
1336Hz
1477Hz
1633Hz
697Hz
1 (
)
2 (
)
3 (
)
A (
)
770Hz
4 (
)
5 (
)
6 (
)
B (
)
852Hz
7 (
)
8 (
)
9 (
)
C (
)
941Hz
(
)
0 (
)
(
)
D (
)
DTMF Autodialer
To allow storing telephone numbers for autopatch use, nine DTMF Autodial memories are
provided. Short autopatch commands may also be stored, to avoid having to send them
manually.
1. Press and hold the
F
key to enter the Set mode.
2.
Press the [▲] or [▼] key to select Set Mode Item “
13 DTMF WRT
”.
3. Press the
F
key to enable adjustment of this Set Mode Item.
4.
Press the [▲] , [▼] or [1] to
[9]
key to select the
desired Memory register to store this DTMF string.
5. Press the
F
key momentarily to begin the DTMF Memory entry into the selected reg-
ister.
