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Page 129FT-991 OperaTing Manual
049 AM DATA GAIN
Function: Sets the level of the AM signal input when
045 AM MIC SELECT
” is set to “
DATA
”.
Available Values: 0 - 100
Default Setting: 50
050 CW LCUT FREQ
Function: Sets the low-frequency cutoff audio filter in
CW mode.
Available Values: OFF/100Hz - 1000Hz (50Hz/step)
Default Setting: 250Hz
Description: This is the low-frequency cutoff audio lter
in CW mode.
The cutoff frequency can be set at 50 Hz increments
between 100 Hz and 1000 Hz.
051 CW LCUT SLOPE
Function: Sets the slope of the low-frequency cutoff au-
dio lter in CW mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 18dB/oct
Description: Selects the slope of the low-frequency cut-
off audio lter in CW mode.
052 CW HCUT FREQ
Function: Sets the high-frequency cutoff audio lter in
CW mode.
Available Values: OFF/700Hz - 4000Hz (50Hz/step)
Default Setting: 1200Hz
Description: This is the high-frequency cutoff audio l-
ter in CW mode.
The cutoff frequency can be set at 50 Hz increments
between 700 Hz and 4000 Hz.
053 CW HCUT SLOPE
Function: Sets the slope of the high-frequency cutoff au-
dio lter in CW mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 18dB/oct
Description: Selects the slope of the high-frequency cut-
off audio lter in CW mode.
054 CW OUT LEVEL
Function: Sets the level of the CW signal output from
the
RTTY/DATA
jack.
Available Values: 0 - 100
Default Setting: 50
055 CW AUTO MODE
Function: Enables/disables CW keying while operating
on SSB.
Available Values: OFF/50M (50MHz)/ON
Default Setting: OFF
Description:
OFF:
Disables CW keying while operating on SSB.
50M:
Enables CW keying while operating SSB on 50
MHz (but not HF).
ON:
Enables CW keying while operating SSB on all
TX bands.
056 CW BK-IN TYPE
Function: Sets the CW brake-in function.
Available Values: SEMI/FULL
Default Setting: SEMI
Description: Selects the CW brake-in function.
SEMI:
A brief delay is provided after the CW keying op-
eration, before the transceiver returns to receive
mode.
The receiver recovery time may be changed us-
ing MENU “
057 CW BK-IN DELAY
”.
FULL:
The transceiver immediately returns to receive
mode after every CW key-up (QSK mode).
057 CW BK-IN DELAY
Function: Sets the CW delay time.
Available Values: 30msec - 3000msec (10msec/step)
Default Setting: 200msec
Description: In semi break-in mode, this setting deter-
mines the delay time before returning to receive
mode after the CW keying operation.
The delay time can be changed in 10 msec steps be-
tween 30 msec and 3000 msec.
058 CW WAVE SHAPE
Function: Selects the CW carrier wave-form shape (rise/
fall times).
Available Values: 2ms/4ms
Default Setting: 4ms (msec)
Description: Sets the rise and fall times of the keying
envelope in CW mode (transmit waveform).
Menu MoDe
131


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