■ 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. 28)
w MICROPHONE CONNECTOR [MIC]
Accepts supplied or optional microphone.
•See p. 45 for appropriate microphones.
• See p. 7 for microphone connector information.
e HEADPHONE JACK [PHONES] (p. 11)
Accepts headphones.
•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. 15, 31)
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
controls or squelch control only (RF gain is fixed at
maximum) in initial set mode.
y RIT CONTROL [RIT] (inner control; p. 19)
➥Shifts the receive frequency ±1.2 kHz for clear re-
ception of an off frequency signal.
•Rotate the control clockwise to increase the fre-
quency, or rotate the control counterclockwise to
decrease the frequency. “ ” appears on the
display.
u IF SHIFT CONTROLS [SHIFT]
(outer control; p. 20)
Shifts the center frequency of the receiver’s IF
passband.
•Rotate the control clockwise to shift the center fre-
quency higher, or rotate the control counterclock-
wise to shift the center frequency lower.
i LOCK SWITCH [LOCK] (p. 14)
Push momentarily to turn the dial lock function ON
and OFF.
• The dial lock function electronically locks the chan-
nel selector.
o CHANNEL SELECTOR
Selects an operating channel, sets conditions in the
quick/initial set mode items, etc.
!0 PREAMP SWITCH [P.AMP] (p. 19)
Push to turn the preamp ON or OFF.
!1 FC SWITCH [CH]
➥Push to change the indication, channel comment
or stored frequency. (p. 14)
☛This key action only for some versions.
➥
Push for 1 sec. to entering into VFO mode. (p. 35)
!2 MEMORY CHANNEL UP/DOWN SWITCHES
[√ DN]/[UP ∫]
➥Push to select the operating channel. (p. 13)
➥Push for 1 sec. to start scanning. (p. 14)
➥Push to select the
quick/initial set mode
items
while
quick/initial set mode
is selected. (p. 28)
➥Push to select the digit of channel comment while
editing. (p. 27)
2
2
PANEL DESCRIPTION