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■ Operating mode selection
SSB (USB/LSB), SSB data (USB data/LSB data), CW,
CW reverse (CW-R), RTTY, RTTY reverse (RTTY-R),
PSK, PSK reverse (PSK-R), AM, AM data, FM and FM
data modes are available in the IC-7700. 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 and CW-R, RTTY/RTTY-
R and PSK/PSK-R, AM and FM, if desired. Push and
hold the switch for 1 sec. to toggle between RTTY and
RTTY-R, PSK and PSK-R, if desired.
See the diagram below left for the order of selection.
Microphone signals are muted when data mode is
selected.
• Selecting SSB mode
➥ Push to select USB or LSB.
• USB is selected first when above 10 MHz; or LSB is se-
lected first when below 10 MHz operation.
(USB is selected when 5 MHz band is selected for the
USA version.)
• After USB or LSB is selected, push to toggle
between USB and LSB.
• Selecting CW mode
➥ Push to select CW.
• After CW is selected, push to toggle between
CW and CW reverse mode.
• Selecting RTTY/PSK mode
➥ Push to select RTTY or PSK.
• After RTTY or PSK is selected, push to toggle
between RTTY and PSK.
• After RTTY or PSK is selected, push and hold
for 1 sec. to toggle between RTTY and RTTY reverse,
or, PSK and PSK reverse mode, respectively.
• Selecting AM/FM mode
➥ Push to select AM or FM.
• After AM or FM is selected, push to toggle be-
tween AM and FM.
• Selecting DATA mode
➥ After USB, LSB, AM or FM is selected, push
to select USB data, LSB data, AM data or
FM data mode, respectively.
• After data mode is selected, push to toggle be-
tween regular voice and data mode.
• After data mode is selected, push and hold for
1 sec. to select data 1, 2 and 3 in sequence.
DATA
DATA
DATA
AM/FM
AM/FM
RTTY/PSK
RTTY/PSK
RTTY/PSK
CW
CW
SSB
SSB
3
BASIC OPERATIONS
RTTY/PSK AM/FM DATA
SSB CW
USB
CW
AM
Push mode switch
for 1 sec.
Push mode switch
momentarily.
LSB
CW-R
RTTY-R RTTY PSK PSK-R
FM
USB
LSB
AM
FM
USB-D1
LSB-D1
AM-D1
FM-D1
USB-D2
LSB-D2
AM-D2
FM-D2
USB-D3
LSB-D3
AM-D3
FM-D3