Icom IC-2300H - 3 BASIC OPERATION: DTMF and 1750 Hz Tone; DTMF Tones and 1750 Hz Tone Usage

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3
BASIC OPERATION
D DTMF tones
z When “d” is displayed in the 100 MHz digit, fi rst can-
cel the DTMF memory encoder. (p. 37)
x Push [DTMF-S] , and then push the keys of the
desired DTMF digits.
• The function indicator lights green.
• 0–9, A–D, M(E) and #(F) are selectable.
• Push [DTMF-S] again to return to the normal
keypad mode.
• The transceiver has ten DTMF memory channels
for autopatch operation. See page 36 for details.
D 1750 Hz tone
The microphone has 1750 Hz tone capability, used as a
ring tone when calling, and so on.
z Push [FUNC] .
• The function indicator lights orange.
x Push [TONE-1] to transmit a 1750 Hz tone call
signal for 1 second (approximately); hold down
[TONE-2] to continuously transmit a 1750 Hz
tone call signal.
• The function indicator automatically goes out.
then push the desired keys.
Push ,
Push ,
then or .
Using the HM-133V
Using the HM-133V