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Page 135FT-991 OperaTing Manual
112 SSB TX BPF
Function: Sets the frequency characteristics of the DSP
band-pass lter for transmitting in SSB mode.
Available Values: 100-3000/100-2900/200-2800/300-
2700/400-2600
Default Setting: 300-2700Hz
Description: Selects the frequency characteristics setting
of the DSP band-pass lter when transmitting in SSB
mode.
113 APF WIDTH
Function: Sets the bandwidth of the audio peak lter.
Available Values: NARROW/MEDIUM/WIDE
Default Setting: MEDIUM
Description: In CW mode the APF peak center frequen-
cy is set according to the CW PITCH frequency and
the chosen APF bandwidth value. In order to listen
to the desired signal comfortably, select one of the
three bandwidths of the peak lter.
114 CONTOUR LEVEL
Function: Adjusts the GAIN of the CONTOUR circuit.
Available Values: −40 - 0 - 20
Default Setting: −15
Description: Sets level of the attenuation or the gain of
the CONTOUR circuit.
115 CONTOUR WIDTH
Function: Sets the bandwidth (“Q”) of the CONTOUR
circuit.
Available Values: 1 - 11
Default Setting: 10
Description: Sets the bandwidth (WIDTH) of the CON-
TOUR circuit.
116 IF NOTCH WIDTH
Function: Sets the attenuation bandwidth characteristic
of the DSP IF notch lter on the VFO-A.
Available Values: NARROW/WIDE
Default Setting: WIDE
Description: Selects the attenuation bandwidth charac-
teristic setting of the DSP IF notch filter to “
NAR-
ROW
” or “
WIDE
”.
117 SCP DISPLAY MODE
Function: Sets the scope for either the spectrum or the
waterfall display.
Available Values: SPECTRUM/WATER FALL
Default Setting: SPECTRUM
Description: Selects the type of display when the scope
feature activates.
SPECTRUM:
Enables the spectrum display.
WATER FALL:
Enables the waterfall display.
118 SCP START CYCLE
Function: Selects the sweep interval of the Spectrum
Scope feature.
Available Values: OFF/3sec/5sec/10sec
Default Setting: OFF
Description: The scope spectrum is repeatedly swept ac-
cording the set interval.
119 ASC DIAL SPEED
Function: Selects the start condition of the Dial Auto
Scope feature whenever the Main Tuning Dial is
turned.
Available Values: 0.25/0.5/1/2/4kHz (sec)/DISABLE
Default Setting: 4kHz/sec
Description: When the Main Tuning Dial knob is rotated
at the set speed in ASC mode, the spectrum scope
sweeping is started automatically.
120 SCP SPAN FREQ
Function: Sets the bandwidth of the spectrum scope
sweeping.
Available Values: 50/100/200/500/1000 (kHz)
Default Setting: 100kHz
Description: Sets the bandwidth (SPAN) of the spectrum
scope.
121 PRMTRC EQ1 FREQ
Function: Sets the center frequency of the low range for
the 3 band parametric microphone equalizer.
Available Values: 100 - 700 (Hz)/OFF (100Hz/step)
Default Setting: OFF
Description: Selects the center frequency setting of the
low range of the 3 band parametric microphone
equalizer between “
100 Hz
” and “
700 Hz
”.
122 PRMTRC EQ1 LEVEL
Function: Sets the gain for the low range of the 3 band
parametric microphone equalizer.
Available Values: −20 - 0 - 10 (dB)
Default Setting: 5
Description: Adjusts the gain for the low range of the 3
band parametric microphone equalizer between “−
20
dB
” and “
+10 dB
”.
123 PRMTRC EQ1 BWTH
Function: Sets the width variation (“Q”) for the low
range of the 3 band parametric microphone equal-
izer.
Available Values: 1 - 10
Default Setting: 10
Description: Selects the value of the width (Q) for the
low range for the 3 band parametric microphone
equalizer between “
1
” and “
10
”.
Menu MoDe
137


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