Kenwood TH-D72E User Manual Page 21

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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
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