Icom IC-718 Instruction Manual page 4

2
PANEL DESCRIPTION
n Front panel
Speaker
q
MIC
w
q POWER SWITCH [PWR]
 Push momentarily to turn power ON.
• Turn the optional DC power supply ON in advance.
 Push for 1 sec. to turn power OFF.
 While pushing and holding [SET], push [PWR] to
enter the initial set mode. (p. 41)
w MICROPHONE CONNECTOR [MIC]
Accepts supplied or optional microphone.
• See p. 55 for appropriate microphones.
• See p. 8 for microphone connector information.
e HEADPHONE JACK [PHONES] (p. 11)
Accepts headphones (8 Ω).
• When headphones are connected, the internal speaker
or connected external speaker does not function.
r AF CONTROL [AF] (inner control)
Varies the audio output level from the speaker.
t RF GAIN/SQUELCH CONTROL [RF/SQL]
(outer control; pgs. 20, 44)
Adjusts the squelch threshold level. The squelch re-
moves noise output from the speaker (closed con-
dition) when no signal is received.
• The squelch is available for all modes.
• The control can be set as the squelch plus RF gain con-
trols or squelch control only (RF gain is fixed at maxi-
mum) in initial set mode.
y RIT CONTROLS [RIT] (Inner control; p. 21)
 Shifts the receive frequency without changing
the transmit frequency.
• Rotate the control clockwise to increase the frequency,
2
Function Display
IC-718
PWR AF RF/SQL
PHONES
e r t
@1 @0
MODE FIL
RIT SHIFT
LOCK
y u i o
or rotate the control counterclockwise to decrease the
frequency. "
• The shift frequency range is ±1.2 kHz.
u IF SHIFT CONTROLS [SHIFT] (Outer control;
p. 21)
Shifts the center frequency of the receiver's IF
pass-band.
• Rotate the control clockwise to shift the center frequency
higher, or rotate the control counterclockwise to shift the
center frequency lower.
i LOCK SWITCH [LOCK] (p. 19)
Push momentarily to turn the dial lock function ON
and OFF.
• The dial lock function electronically locks the main dial.
• When the optional UT-102
installed (p. 49), push for 1 sec. to have the frequency,
etc. announced.
• UT-102 operation can be adjusted in initial set mode
(p. 46).
o MAIN DIAL
Changes the displayed frequency, selects quick/ini-
tial set mode items, etc.
!0 PREAMP SWITCH [P.AMP] (p. 21)
 P ush momentarily to turn the preamp ON or OFF.
!1 CH SWITCH [CH] (p. 35)
 P ush momentarily to turn the memory channel se-
lect function ON or OFF.
• [MEMO] blinks while memory channel select function is
turned on.
!8
!9 !7
1 2 3
V/M A=B A/B
TS
4 5 6
MW M-CL M V
7 8 9
SPL SCN VOX
.
0
F-INP
NR ANF
ENT
NB COMP
SET
P.AMP ATT TUNER
Z DN UP Y
CH
!0 !1
" appears on the display.
RIT
VOICE SYNTHESIZER UNIT
!6
!5
!4
!3
!2
is