DUAL TONE
The keys on the Mic keypad function as DTMF keys; the 12 keys found on a
Some repeaters in the U.S.A. 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.
■DTMF Monitor
When pressing the Mic DTMF keys, you will not hear DTMF tones from the speaker. You can make the speaker output the DTMF tones each time you press a DTMF key.
Access Menu
MANUAL DIALING |
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Manual dialing requires only two steps to send DTMF | 12 | |||||||||||
tones. | ||||||||||||
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1Press and hold Mic [PTT].
2Press the keys in sequence on the Mic keypad to send DTMF tones.
• The corresponding DTMF tones are transmitted.
Freq. (Hz) | 1209 | 1336 | 1477 | 1633 |
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697 | 1 | 2 | 3 | A |
770 | 4 | 5 | 6 | B |
852 | 7 | 8 | 9 | C |
941 |
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| D |
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