Kenwood TH-D72A Manual

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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 networkvia such a repeater by sending DTMF tones. For further information, consult your local repeater reference.MANUAL DIALINGManual Dialing requires only two steps to send DTMFtones.1 Press and hold [PTT].2 Press the keys in sequence on the keypad to sendDTMF tones.• The corresponding DTMF tones are transmitted.• If the DTMF Hold function is activated, you not need holddown [PTT] while pressing keys. After transmitting thefirst tone (by pressing [PTT] and the first key), pressingadditional keys will keep the transceiver in transmit modefor 2 seconds.Frequency (Hz) 1209 1336 1447 1633697 [1] [2] [3] [A]770 [4] [5] [6] [B]852 [7] [8] [9] [C]941 [ ] [0] [#] [D]■ DTMF HoldActivate this function to remain in transmit mode, afterbeginning to press keys when making a call.1 Enter Menu mode and access Menu 173.2 Set DTMF Hold to “On” to continue transmittingwhen pressing keys.• Set this menu to “Off” to stop the 2 second continuoustransmission.AUTOMATIC DIALERThere are 10 dedicated DTMF Memory channels availableto store DTMF codes. You can store up to 16 digits ineach channel.■ Storing a DTMF Code in Memory1 Enter Menu mode and access Menu 170.2 Press [ (OK)]3 Press [ ]/[ ] or rotate the Tuning control to selecta channel number.4 Press [ OK] or [MENU] to set the selectedchannel 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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