32
FT-1900R O
PERATING
M
ANUAL
DTMF O
PERATION
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 key-
pad includes the [
] and [
#
] digits, plus the [
A
], [
B
], [
C
], and [
D
] tones often used for
repeater control.
M
ANUAL
DTMF T
ONE
G
ENERATION
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 A
UTODIALER
Nine DTMF Autodialer memories are available on the
FT-1900R
. 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 tele-
phone 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 number
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 num-
ber. 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 cursor
that may have been previously stored erroneously.
7. When entry of all digits is complete, press the [
MHz
(
SET
)] key.