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Front panel
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 incerase the frequency,
or rotate the control counterclockwise to decrease the
frequency. “
” appears on the display.
• The shift frequency range is ±1.2 kHz.
u
IF SHIFT CONTROLS [SHIFT] (Outer control; p.
21)
Shifts the center frequency of the receivers’s IF
pass-band.
• Rotate the control colckwise 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
VOICE SYNTHESIZER UNIT
is
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)
Push momentarily to turn the preamp ON or OFF.
!1
CH SWITCH [CH] (p. 35)
Push momentarily to turn the memory channel se-
lect function ON or OFF.
• [MEMO] blinks while memory channel select function is
turned on.
2
2
PANEL DESCRIPTION
MIC
I
C-
718
PHONES
RF/SQL
AF
SHIFT
RIT
LOCK
MODE
FIL
TS
PWR
TUNER
COMP
P.AMP
UP
NB
ATT
SET
CH
DN
ENT
F-INP
V/M
1
MW
4
A=B
2
M-CL
5
SCN
8
ANF
0
NR
.
A/B
3
VOX
9
7
SPL
M V
6
▲
√
∫
Speaker
Function Display
@1
@0
!9
!7
!5
!4
!6
!3
!2
!0
!8
!1
o
i
u
y
t
r
e
w
q