Panel Description; Front Panel - Icom IC-78 Instruction Manual

1

PANEL DESCRIPTION

n

Front panel

Speaker
q
w
q POWER SWITCH [PWR]
➥ Push to turn ON the power.
• First, confirm the DC power supply is ON.
➥ Hold down for 1 second to turn OFF the power.
➥ While holding down [SET], push [PWR] to enter
the Initial Set mode.
w MICROPHONE CONNECTOR [MIC]
Accepts the supplied or optional microphone.
• See page 45 for appropriate microphones.
• See page 7 for microphone connector information.
e HEADPHONE JACK [PHONES]
Accepts headphones.
• When headphones are connected, the internal or
external speaker does not function.
r AF CONTROL [AF] (inner control)
Adjusts the audio output level.
t RF GAIN/SQUELCH CONTROL [RF/SQL]
(outer control, pp. 14,
Adjusts the squelch threshold level. The squelch re-
moves noise output from the speaker (closed) when
no signal is received.
• The squelch is available for all modes.
• The control can be set as the squelch plus RF gain
controls or squelch control only (RF gain is fixed at
maximum) in the Initial Set mode.
y RIT CONTROL [RIT] (inner control,
➥ Shifts the receive frequency ±1.2 kHz for clear
reception of an off frequency signal.
• Rotate the control clockwise to increase the
frequency, or counterclockwise to decrease the
frequency. "
1
Function Display
PWR
e r t
(p. 27)
(p. 9)
30)
p. 18)
" is displayed on the display.
@1 @0
y u i o
u IF SHIFT CONTROLS [SHIFT]
(outer control, p.
Shifts the center frequency of the receiver's IF
passband.
• Rotate the control clockwise to shift the center
frequency higher, or counterclockwise to shift the
center frequency lower.
i LOCK SWITCH [LOCK]
Push to turn the dial lock function ON or OFF.
• The dial lock function electronically locks the Channel
Selector.
o CHANNEL SELECTOR
Selects an operating channel, selects values in the
Quick/Initial Set mode items, and so on.
!0 PREAMP SWITCH [P.AMP]
Push to turn the preamp ON or OFF.
!1 FC SWITCH [CH]
➥ Push to change the indication, channel name or
stored frequency.
* This key action only for some versions.
➥ Hold down for 1 second to enter the VFO mode.
(p. 34)
!2 MEMORY CHANNEL UP/DOWN SWITCHES
[q DN]/[UP p]
➥ Push to select the desired Memory channel.
(p. 12)
➥ Hold down for 1 second to start scanning.
(p. 13)
➥ Push to select the Quick/Initial Set mode items
while the Quick/Initial Set mode is selected.
(p. 27)
➥ Push to select the character while editing the
channel name.
!9 !8 !7
!0 !1
19)
(p. 13)
(p. 18)
(p. 13)
(p. 26)
!6
!5
!4
!3
!2