Icom IC-2300H Instruction Manual - Page 22

DTMF tones, 1750 Hz tone, DTMF-S], FUNC], TONE-1]

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3 BASIC OPERATION D DTMF tones q When "d" is displayed in the 100 MHz digit, first can- cel the DTMF memory encoder. (p. 37) w Push [DTMF-S] , then push the keys of the de- sired 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. • T he 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. Push , then push the desired keys. Push , then or . 14

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14
3
BASIC OPERATION
D
DTMF tones
q
When “d” is displayed in the 100 MHz digit, first can-
cel the DTMF memory encoder. (p. 37)
w
Push
[DTMF-S]
, then push the keys of the de-
sired 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
.