Filter
Top Products
4-29
■ Operating AM
q Push a band key to select the desired band.
w Push to select AM.
• “AM” indicator appears.
• After AM mode is selected, push to toggle be-
tween AM and FM modes.
e Rotate the main dial to tune to the desired fre-
quency.
• The S-meter indicates received signal strength when
signal is received.
r Rotate [AF] to set audio to a comfortable listening
level.
t Push or [PTT] (microphone) to transmit.
• The TX indicator lights red.
y Speak into the microphone at your normal voice
level.
• Adjust the microphone gain with [MIC] at this step, if
necessary.
u Push or release [PTT] (microphone) to
return to receive.
TRANSMIT
TRANSMIT
AM/FM
AM/FM
Appears
[MIC] [TX] indicator [RX] indicator
[AF] Main dial
Band keys
AM/FM
4
RECEIVE AND TRANSMIT
• Preamp (p. 5-9)
➥ Push [P.AMP]
(MF3) several times to set the pre-
amp OFF, preamp 1 ON or preamp 2 ON.
•“P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is ON.
• Attenuator (p. 5-9)
➥ Push [ATT] (MF4) several times to set the attenu-
ator in 6 dB steps.
• Push and hold [ATT] (MF3) for 1 sec. to turn the atten-
uator function OFF.
•“ATT” and attenuation level appear when the attenu-
ator is ON.
• Noise blanker (p. 5-16)
➥ Push to turn the noise blanker ON and
OFF, and then rotate [NB] control to adjust the
threshold level.
• Noise blanker indicator (above switch) lights
when the noise blanker is ON.
• Push and hold for 1 sec. to enter noise blanker
set mode.
• Noise reduction (p. 5-17)
➥ Push to turn the noise reduction ON and
OFF.
• Rotate [NR] control to adjust the noise reduction
level.
• Noise reduction indicator (above switch) lights
when the noise reduction is ON.
• Audio tone control (p. 12-4)
➥ Push [F-7•SET] then [F-1•LEVEL] to enter level
set mode. Select an item with [F-1•Y]/[F-2•Z]
then rotate the main dial to adjust the audio tone.
•Twin PBT (passband tuning) (p. 5-12)
➥ Rotate [TWIN PBT] controls (inner/outer).
• PBT indicator (above switch) lights when
PBT is in use.
• Push and hold for 1 sec. to clear the set-
tings.
• Notch filter (p. 5-18)
➥ Push to turn the manual notch function
ON and OFF.
• Rotate [NOTCH] control to set the attenuating fre-
quency.
• Notch indicator (above switch) lights when
either the auto or manual notch is ON.
• AGC (auto gain control) (p. 5-11)
➥ Push [AGC] switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push to turn the AGC time constant
manual setting ON and OFF.
• Rotate [AGC] control to adjust the time constant.
• Auto tuning function (p. 5-19)
➥ Push [AUTOTUNE] to turn the auto tuning func-
tion ON and OFF.
• The transceiver automatically tunes the desired sig-
nal within ±5 kHz range.
IMPORTANT!
When receiving a weak signal, or receiving a signal
with interference, the automatic tuning function may
not tune, or may tune to an undesired signal.
AGC VR
NOTCH
NOTCH
PBT-CLR
PBT-CLR
NR
NR
NB
NB
NB
DD
Convenient functions for receive