Yaesu FT-991A Operating Manual page 139

095 RTTY HCUT SLOPE
Function: Sets the slope of the high-frequency cutoff au-
dio filter in RTTY mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 18dB/oct
Description: Selects the slope setting of the high-fre-
quency cutoff audio filter in RTTY mode.
096 RTTY SHIFT PORT
Function: Sets the SHIFT input jack for RTTY mode.
Available Values: SHIFT/DTR/RTS
Default Setting: SHIFT
Description: Selects the SHIFT input jack for RTTY
mode.
SHIFT: Inputs from the RTTY/DATA jack ( pin 4 )
on the rear panel.
DTR: Controls the signal from the USB virtual
COM/DTR ports.
RTS: Controls the signal from the USB virtual
COM/RTS ports.
097 RTTY POLARITY-RX
Function: Sets the shift direction for receiving in RTTY
mode.
Available Values: NOR/REV
Default Setting: NOR
Description: Sets the shift direction for receiving in
RTTY mode.
NOR: The space frequency will be lower than the
mark frequency.
REV: The mark frequency will be lower than the
space frequency.
098 RTTY POLARITY-TX
Function: Sets the shift direction for transmitting in
RTTY mode.
Available Values: NOR/REV
Default Setting: NOR
Description: Sets the shift direction for transmitting in
RTTY mode.
NOR: The space frequency will be lower than the
mark frequency.
REV: The mark frequency will be lower than the
space frequency.
099 RTTY OUT LEVEL
Function: Sets the output level during the sending/re-
ceiving of data in RTTY mode.
Available Values: 0 - 100
Default Setting: 50
Description: Sets the data output level during the send-
ing/receiving of data in RTTY mode. The
higher the setting, the higher the output
level becomes.
FT- 991 Operating Manual
Menu Mode
100 RTTY SHIFT FREQ
Function: Sets the shift width for RTTY mode.
Available Values: 170/200/425/850 ( Hz )
Default Setting: 170Hz
Description: Sets the shift width for RTTY mode.
101 RTTY MARK FREQ
Function: Sets the mark frequency for RTTY mode.
Available Values: 1275/2125 ( Hz )
Default Setting: 2125Hz
Description: Sets the mark frequency for RTTY mode.
102 SSB LCUT FREQ
Function: Sets the low-frequency cutoff audio filter in
SSB mode.
Available Values: OFF/100Hz - 1000Hz ( 50Hz/step )
Default Setting: 100Hz
Description: This is the low-frequency cutoff audio filter
in SSB mode.
The cutoff frequency can be set at 50 Hz
increments between 100 Hz and 1000 Hz.
103 SSB LCUT SLOPE
Function: Sets the slope of the low-frequency cutoff au-
dio filter in SSB mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 6dB/oct
Description: Selects the slope setting of the low-frequen-
cy cutoff audio filter in SSB mode.
104 SSB HCUT FREQ
Function: Sets the high-frequency cutoff audio filter in
SSB mode.
Available Values: OFF/700Hz - 4000Hz ( 50Hz/step )
Default Setting: 3000Hz
Description: This is the high-frequency cutoff audio fil-
ter in SSB mode.
The cutoff frequency can be set at 50 Hz
increments between 700 Hz and 4000 Hz.
105 SSB HCUT SLOPE
Function: Sets the slope of the high-frequency cutoff au-
dio filter in SSB mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 6dB/oct
Description: Selects the slope setting of the high-fre-
quency cutoff audio filter in SSB mode.
106 SSB MIC SELECT
Function: Selects the microphone input jack for SSB
mode.
Available Values: MIC/REAR
Default Setting: MIC
Description: Selects the microphone input jack to be
used in SSB mode.
MIC: Inputs from the MIC jack on the front
panel.
REAR: Disables the microphone circuit on the
front panel and inputs from the USB jack
or RTTY/DATA jack on the rear panel.
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