ICOM 242700 Manuale Utente

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PANEL DESCRIPTION

!0MANUAL NOTCH KEY [MNF/ADJ] (p. 83)

➥Push momentarily to turn the manual notch func-

tion ON and OFF in SSB, CW and AM modes.

• “

” appears on the display when the function is ac-

tivated.

➥Push and hold for 1 sec. to enter the manual

notch filter set mode.

✔ What is the notch function?

The notch function is a narrow DSP filter that removes inter-
fering tones from CW or AM signals while preserving the de-
sired signal's frequency response. 

!1AUTO NOTCH/VOICE RECORDER KEY

•REC]

➥Push momentarily to turn the auto notch function

(ANF) ON and OFF in SSB, AM, FM modes. 
(p. 82)

• “

” appears on the display when the function is ac-

tivated.

➥Push and hold for 1 sec. to record the received

signal’s audio. (p. 95)

!2SPCH/LOCK KEY [SPCH/LOCK]

➥Push momentarily to have the frequency, etc. an-

nounced by the speech synthesizer. (p. 34)

• The parameters to be announced can be selected in

the miscellaneous (others) set mode. (p. 134)

➥Push and hold for 1 sec. to toggle the dial lock

function ON and OFF. (p. 37)

• The dial lock function electronically locks the main

dial.

• “

” appears while the dial lock function is activate.

!3MICROPHONE CONNECTOR (p. 10)

Modular-type microphone connector—Accepts the
supplied microphone (HM-151).

• The optional OPC-589 can be used to connect an 8-pin

microphone such as the SM-20, if desired.

• A microphone connector is also available on the rear

panel. DO NOT connect 2 microphones simultaneously.

!4UP/DOWN (BAND) KEYS [Y(

Z(

➥Push momentarily to select a frequency band or

TV channel.

➥Push and hold [Y(

)] for 1 sec. to toggle the

simple band scope display ON and OFF.

➥Push and hold [Z(

)] for 1 sec. to toggle the

multi-function meter display ON and OFF.

!5MAIN DIAL TENSION LATCH

Selects the main dial drag.

• Three positions are available. Upper setting turns on

clicks as the dial is turned..

!6HEADPHONE JACK [PHONES] (p. 18)

Accepts headphones with 8–16

Ÿ impedance.

• When headphones are connected, no receive audio

comes from the speaker.

• When the PHONES/SPEAKER switch on the back of the

front panel is set to the 

[SPEAKER] position, an external

speaker can be used instead of headphones. This is
convenient for mobile or outdoor operation.

!7MAIN DIAL [DIAL]

Changes the displayed frequency and selects val-
ues for selected set mode items, etc.

!8RECEIVE/TRANSMIT INDICATORS [RX]/[TX]

➥[RX]: Lights green in receive mode and when

squelch is open.

➥[TX]: Lights red while transmitting.

Back of the front panel

See the illustration of the Front panel on page i-2.