Dual tone multi-frequency (dtmf) – Kenwood TH-D72E User Manual
Page 21

DUAL TONE MULTI-FREQUENCY (DTMF)
The keys on the keypad function as DTMF keys; the 12 keys found on a push-button telephone plus 4 additional keys (A,
B, C, D). This transceiver provides 10 dedicated memory channels. You can store a DTMF code with up to 16 digits.
Some repeaters in the U.S.A. and Canada offer a service called Autopatch. You can access the public telephone network
via such a repeater by sending DTMF tones. For further information, consult your local repeater reference.
MANUAL DIALING
Manual Dialing requires only two steps to send DTMF
tones.
1 Press and hold [PTT].
2 Press the keys in sequence on the keypad to send
DTMF tones.
•
The corresponding DTMF tones are transmitted.
•
If the DTMF Hold function is activated, you not need hold
down [PTT] while pressing keys. After transmitting the
first tone (by pressing [PTT] and the first key), pressing
additional keys will keep the transceiver in transmit mode
for 2 seconds.
Frequency (Hz)
1209
1336
1447
1633
697
[1]
[2]
[3]
[A]
770
[4]
[5]
[6]
[B]
852
[7]
[8]
[9]
[C]
941
[ ]
[0]
[#]
[D]
Q DTMF Hold
Activate this function to remain in transmit mode, after
beginning to press keys when making a call.
1 Enter Menu mode and access Menu 173.
2 Set DTMF Hold to “On” to continue transmitting
when pressing keys.
•
Set this menu to “Off” to stop the 2 second continuous
transmission.
AUTOMATIC DIALER
There are 10 dedicated DTMF Memory channels available
to store DTMF codes. You can store up to 16 digits in
each channel.
Q Storing a DTMF Code in Memory
1 Enter Menu mode and access Menu 170.
2 Press [
(OK)]
3 Press [
]/[
] or rotate the Tuning control to select
a channel number.
4 Press [
OK] or [MENU] to set the selected
channel number.
•
The name entry display appears.
5 Enter a name for the channel, the press [
OK] or
[MENU] to set it.
•
The code entry display appears.
6 Enter a DTMF code for the channel, then press [
OK] or [MENU] to set it.
•
When a space is entered, it becomes a “Pause” code.
DTMF – 1