ICOM 236801 사용자 설명서

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■ Front panel

q POWER SWITCH [POWER]

Toggles to turn the repeater power ON or OFF.

w MICROPHONE/SPEAKER CONNECTOR [MIC/SP]

This 8-pin modular jack accepts the optional micro-
phone.

q +9 V DC output (Max. 10 mA)
w I/O port for PC programming
e NC
r M PTT (Input port for TX control)
t Microphone ground
y Microphone input
u Ground
i M MONI (Input port for monitor control)

e LINE CONNECTOR [LINE]

This 4-pin modular jack accepts to connect to 2 wire
system telephone cable.

• See p. 7 for line connector information.

r VOLUME CONTROL [VOLUME] (p. 12)

Adjusts the audio output level.

t SQUELCH CONTROL [SQUELCH]

➥While in base operating mode, adjusts the

squelch threshold level. (p. 12)

➥While in repeater operating mode, this knob is not

activate.

y CHANNEL SELECT SWITCHES [DN/UP]

Push either switch to select the operating channel.

u MONITOR SWITCH [MONI]

➥Push to monitor the operating frequency.

i MODE SELECT SWITCH [RPT/BASE]

Toggles the repeater or base operating mode when
pushed.

• When setting up a repeater system using IC-FR4000

only, select a repeater operating mode.

• When using IC-FR4000 as full (or half) duplex trans-

ceiver or setting up a repeater system connecting an ex-
ternal controller, select a base operating mode.

o REMOTE CONTROL SWITCH [REMOTE]

Toggles to activate or inactivate the remote control
operation when pushed.

!0 AF MUTE CONTROL [SP MUTE]

Mutes the audio output.

!1 INTERNAL SPEAKER

Monitors received signals.

!2 BASE OPERATING MODE INDICATOR

Lights green while in base operating mode.

!3 REMOTE CONTROL MODE INDICATOR

Lights green while in remote control operation.

!4 TRANSMIT INDICATOR

Lights red while transmitting.

!5 BUSY INDICATOR

Lights green while receiving a signal or when the
noise squelch is open.

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!0

!2

!1

!3

!4

!5

!6

!7

!8

!9

r

Function display (p. 2)