Kenwood TM-V7A Stereo System User Manual


 
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58
DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONS
The following DTMF functions require the MC-53DM or
MC-45DM (option) microphone. The keypad on the
microphone includes the 12 keys found on a push-button
telephone plus an additional 4 keys (A, B, C, D). These
additional keys are required for various control operations
by some repeater systems.
MAKING DTMF CALLS
1 Press and hold Mic [PTT].
2 Press the keys in sequence on the keypad to send
DTMF tones.
The corresponding DTMF tones are transmitted.
Your transceiver remains in the transmit mode for 2
seconds after you release each key. So you can release
[PTT] after beginning to press keys.
Autopatch (U.S.A. and Canada)
Some repeaters in the U.S.A. and Canada offer a
service called Autopatch. Autopatch allows you to
access the public telephone network by sending DTMF
tones. Some repeaters require a special key sequence
to activate Autopatch. Check with the repeater control
operator.
Mic Keypad Confirmation Tones
When pressing the desired keys on the Mic keypad, this
function produces feedback tones for your confirmation.
1 Press [MNU] to enter Menu mode.
2 Turn the Tuning control, or press Mic [UP]/[DWN],
to select Menu No. 16 (Microphone).
3 Press
[
ss
ss
s
],
then select Item No. 6 (DTMF Monitor).
4 Press
[SET]
to toggle the function ON or OFF
(default).
5 Press [MNU] again to exit Menu mode.
1336
Freq. (Hz)
1477
1209
1
4
7
1633
697
770
852
941
A
B
C
D
2
5
8
0
3
6
9
#
PWRPWR
VOL SQL
CALLCALL
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