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BASIC OPERATION
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Operating mode selection
SSB (LSB/USB), SSB data (LSB-D/USB-D), CW, CW
reverse (CW-R), RTTY, RTTY reverse (RTTY-R), AM,
AM data (AM-D), FM and FM data (FM-D) are avail-
able in the IC-756PROIII. Select the desired operation
mode as follows.
To select a mode of operation, push the desired mode
switch momentarily. Push the switch again to toggle
between USB and LSB, CW/CW-R and RTTY/RTTY-
R, AM and FM, if necessary. Push the switch for 1 sec.
to toggle between CW and CW-R, RTTY and RTTY-R,
or to select data mode, if necessary.
See the diagram below left for the order of selection.
Microphone signals are muted when data mode is
selected.
• Selecting SSB mode
➥
Push
[SSB]
to select USB or LSB.
• USB is selected
fi
rst when above 10 MHz; or LSB is se-
lected
fi
rst when below 10 MHz operation.
• After USB or LSB is selected, push
[SSB]
to toggle be-
tween USB and LSB.
• After USB or LSB is selected, push
[SSB]
for 1 sec. to
select USB-D or LSB-D mode, respectively.
• Selecting CW/RTTY mode
➥
Push
[CW/RTTY]
to select CW or RTTY.
• After CW or RTTY is selected, push
[CW/RTTY]
to tog-
gle between CW and RTTY.
• After CW or RTTY is selected, push
[CW/RTTY]
for
1 sec. to toggle between CW and CW reverse, or, RTTY
and RTTY reverse mode, respectively.
• Selecting AM/FM mode
➥
Push
[AM/FM]
to select AM or FM.
• After AM or FM is selected, push
[AM/FM]
to toggle be-
tween AM and FM.
• After AM or FM is selected, push
[AM/FM]
for 1 sec. to
select AM-D or FM-D mode, respectively.
Mode selection
SSB
CW/RTTY
AM/FM
USB-D
USB
CW-R
CW
AM-D
AM
Push mode switch
for 1 sec.
Push mode switch
momentarily.
LSB
LSB-D
RTTY
RTTY-R
FM
FM-D
■
Volume setting
➥
Rotate
[AF]
control clockwise to increase; counter-
clockwise to decrease the audio output level.
• Set a suitable audio level.
Audio output
increases
Audio output
decreases
[AF]