Справочник Пользователя для ICOM ic-756pro3
D
Convenient functions for receive
4
33
RECEIVE AND TRANSMIT
■
Operating SSB
q Push a band key to select the desired band.
w Push
w Push
[SSB]
to select LSB or USB.
• “LSB” or “USB” appears.
• Below 10 MHz LSB is automatically selected; above
• Below 10 MHz LSB is automatically selected; above
10 MHz USB is automatically selected.
e Rotate the tuning dial to tune a desired signal.
• The S-meter indicates received signal strength when
signal is received.
r Rotate
[AF]
to set audio to a comfortable listening
level.
t Push
[TRANSMIT]
or
[PTT]
(microphone) to trans-
mit.
• The TX indicator lights red.
y Speak into the microphone at your normal voice
level.
• Adjust the microphone gain with
[MIC GAIN]
at this step,
if necessary.
u Push
[TRANSMIT]
or release
[PTT]
(microphone)
to return to receive.
[TRANSMIT]
[SSB]
[AF] [MIC GAIN]
Tuning dial
[TX] indicator [RX] indicator Band keys
• Preamp
(p. 57)
➥ Push
[P.AMP]
several times to set the preamp
OFF, preamp 1 ON or preamp 2 ON.
• “P.AMP1” or “P.AMP2” appears when the preamp 1 or
preamp 2 is set to ON, respectively. (depending on
operating frequency band)
operating frequency band)
• Attenuator
(p. 57)
➥ Push
[ATT]
several times to set the attenuator in
6 dB steps.
• “ATT” and attenuation level appear when the attenua-
tor is set to ON.
• Noise blanker
(p. 64)
➥ Push
[NB]
switch to turn the noise blanker ON
and OFF.
• Noise blanker indicator (in
[NB]
switch) lights when
the noise blanker is set to ON.
➥ Push
[NB]
for 1 sec. to enter the noise blanker
level set mode, then rotate the tuning dial to ad-
just the threshold level.
just the threshold level.
• Twin PBT (passband tuning)
(p. 60)
➥ Rotate
[TWIN PBT]
controls (inner/outer).
• Push
[PBT CLR]
to clear the settings.
• Noise reduction
(p. 65)
➥ Push
[NR]
switch to turn the noise reduction ON
and OFF.
• Rotate
[NR]
control to adjust the noise reduction level.
• Noise reduction indicator (in
[NR]
switch) lights when
the noise reduction is set to ON.
• Notch filter
(p. 64)
➥ Push
[NOTCH]
switch to turn the auto or manual
notch function ON and OFF.
• Rotate
[NOTCH]
control to set the attenuating fre-
quency for manual notch operation.
• Notch indicator (in
[NOTCH]
switch) lights when either
the auto or manual notch is set to ON.
• AGC (auto gain control)
(p. 59)
➥ Push
[AGC]
switch several times to select
AGC FAST, AGC MID or AGC SLOW.
➥ Push
[AGC]
for 1 sec. to enter the AGC set
mode.
• Rotate the tuning dial to adjust the time constant.