41DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONS
The keys on the keypad also 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
number (16 digits max.) with a memory name (8 digits
max.) in each of the channels to recall later for a quick
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
Manual Dialing requires only two steps to send DTMF
1Press and hold the PTT switch.
2Press the keys in sequence on the keypad to send
• The corresponding DTMF tones are transmitted.
This function makes the transceiver remain in
transmit mode for 2 seconds after you release each
key. So you can release the PTT switch after
beginning to press keys.
1Press [MENU] to enter Menu mode.
2Press , ,  to select “1–3–3 (TX HOLD)”.
3Press [UP]/ [DWN] to switch the function ON (or
4Press [OK] to complete the setting.
5Press [MENU] to exit Menu mode.
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TH-D7 E 41 DTMF Functions 98.12.4, 0:12 PM41