DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONS
The following DTMF functions require an MC-53DM
microphone. The keypads on the microphone include 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 contro! operations by some repeater
systems.
MAKING DTMF CALLS
To make a DTMF call, hold down the microphone [PTT]
and press [0] ~ [9], [A}, [B], [C], [D], [4], or [#4].
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The corresponding DTMF tones are transmitted.
STORING DTMF NUMBERS FOR THE
AUTOMATIC DIALER
To store a DTMF number with up to a maximum of 16 digits
in any of 10 dedicated DTMF memories, follow the
procedure below.
Note that audible DTMF tones from other transcetvers near
you may be picked up by your MC-53DM or MC-45
microphone.
If so, this could prevent the following function
from working correctly.
1
Press [F]+ POWER ON to access Menu B.
2
Select "DTMF.IN' {page 17}.
40
3 Press [VFO].
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The display for entering DTMF numbers appears.
MENU,
af
3
5
by
MHz
wa
TONE
REV
Use the keypad to enter the digits of the number to be
stored.
*
The corresponding DTMF tones are heard.
*
If you enter an incorrect digit, press microphone [MR] to
erase all digits entered.
Press microphone [PF].
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The display for selecting a memory channel appears.