Dual tone multi-frequency (dtmf) functions, Making dtmf calls – Kenwood TM-V7E User Manual

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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 [

s

s

s

s

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

#

VOL SQL

CALL

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