Operating Am; D Convenient Functions For Receive; D Convenient Functions For Transmit - Icom IC-756PROIII Instruction Manual

■ Operating AM

[TRANSMIT] [TX] indicator [RX] indicator Band keys
[AF] [MIC GAIN] [AM/FM]
D D Convenient functions for receive
• 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)
• 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.
• Twin PBT (passband tuning) (p. 62)
➥ 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.
D D Convenient functions for transmit
• Transmit quality monitor (p. 70)
➥ Push [MONITOR] to turn the monitor function ON
and OFF.
• Monitor indicator (in [MONITOR] switch) lights when
the monitor function is set to ON.
➥ Push [EXIT/SET] for 1 sec. then [(F-1)LEVEL] to
enter level set mode. Select the monitor level item
with [(F-1)Y Y ]/[(F-2)Z Z ] then rotate the tuning dial
to adjust the monitor gain.
q Push a band key to select the desired band.
w Push [AM/FM] to select AM.
• "AM" indicator appears.
• After AM mode is selected, push [AM/FM] to toggle be-
tween AM and FM modes.
e Rotate the tuning dial to tune a desired frequency.
• 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.
Tuning dial
• 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.
• 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.
• 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.
• VOX (voice operated transmit) (p. 66)
➥ Push [VOX] to turn the VOX function ON and
OFF.
• "VOX ON" appears when the VOX function is set to
• Audio tone control (p. 95)
➥ Push [EXIT/SET] for 1 sec. then [(F-1)LEVEL] to
enter level set mode. Select an item with [(F-
1)Y Y ]/[(F-2)Z Z ] then rotate the tuning dial to adjust
the audio tone.
RECEIVE AND TRANSMIT
ON.
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