DTMF Operation
The Microphone’s 16-button keypad allows easy DTMF dialing for Autopatch, repeater
control, or Internet-link access purposes. Besides numerical digits [
0
] through [
9
], the
keypad includes the [
] and [
#
] digits, plus the [
A
], [
B
], [
C
], and [
D
] tones often used for
repeater control.
Manual DTMF Tone Generation
You can generate DTMF tones during transmission manually.
1. Press and hold in the [
MHz
(
SET
)] key for one second,
then rotate the
DIAL
knob to select “
17 DT A
/
M
”.
2. Press the [
MHz
(
SET
)] key, then rotate the
DIAL
knob
to set this Set Mode Item to “
MANUAL
” (thus enabling
the Manual DTMF Tone Generation).
3. Press and hold in the [
MHz
(
SET
)] key for one second
to save the new setting and exit to normal operation.
4. Press the
PTT
switch to begin transmission.
5. While transmitting, press the desired numbers on the keypad.
6. When you have sent all the digits desired, release the
PTT
switch.
DTMF Autodialer
Nine DTMF Autodialer memories are available on the
FT-2980R
. These DTMF Autodialer
memories can store up to 16 digits of a telephone number for repeater autopatch or other
use.
To load DTMF Autodialer memories, use the following procedure:
1. Press and hold in the [
MHz
(
SET
)] key for one second,
then rotate the
DIAL
knob to select “
19 DT SET
”.
2. Press the [
MHz
(
SET
)] key, then rotate the
DIAL
knob
to select the DTMF Autodialer memory channel number
into which you wish store a telephone number (“
C0
” to
“
C9
”).
3. Press the [
LOW
(
A/N
)] key momentarily, then rotate the
DIAL
knob to select the first digit of the telephone num-
ber you wish to store.
4. When you have selected the correct digit, press the
[
LOW
(
A/N
)] key momentarily. Now, rotate the
DIAL
knob to select the second of 16 available numbers in
the current DTMF Autodialer memory register.
5. Repeat this procedure for each digit in the telephone
number. If you a mistake, press the [
REV
(
DW
)] key to
move back to the first digit, then re-enter the correct
number.
6. Press and hold in the [
LOW
(
A/N
)] key for 2 seconds to delete all data after the cur-
sor that may have been previously stored erroneously.
7. When entry of all digits is complete, press the [
MHz
(
SET
)] key.
8. If you wish to store another DTMF string, repeat steps 2 through 6 above.
9. Press and hold in the [
MHz
(
SET
)] key for one second to save the new setting and
exit to normal operation.
28
FT-2980R Operating Manual