Kenwood TH-42A User Manual
Page 38
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DTMF Tones
Freq.
{Hz)
1209
1336
1477
1633
697
1
2
3
A
770
4
5
6
B
852
7
8
9
c
941
*
0
#
D
Single-Frequency Tones
Key
Freq.
(Hz)
Key
Freq.
(Hz)
1
697
5
1209
2
770
6
1336
3
852
7
1477
4
941
8
1633
Note:
Some repeaters'require a special key sequence to
activate Autopatch. Check with the control operator.
DUAL TONE MULTI-FREQUENCY (DTMF)
MEMORY
This function is available only on transceivers equipped
with a DTMF keypad.
■ Making DTMF Calls
To make a DTMF call, hold down [PTT] and press [0]
to [9], [AJ. [B], [C], [Dl, [*], or I#].
• The microphone is muted and the corresponding
DTMF tones are transmitted. You can monitor the
tones as they are sent by listening to the speaker
audio.
• If two keys are pressed, only the tone combination
for the key pressed first is sent.
Storing DTMF Numbers
To store a DTMF number in dedicated DTMF memory
channels 1 to 5, follow the procedure below;
1 Press [F] (1 s), [3] to select DTMF Storage.
o
- • •
APO
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