
88
Menu Mode
FT-891 Advance Manual
09-06 DCS POLARITY
Function:
Selects the DCS code polarity.
Available Values:
Tn-Rn/Tn-Riv/Tiv-Rn/Tiv-Riv
Default:
Tn-Rn
Description:
When using the DCS function, the transceiver can transmit/receive the
DCS code with the phase reversed.
Tn-Rn:
Transmit (in phase), receive (in phase)
Tn-Riv:
Transmit (in phase), receive (reverse phase)
Tiv-Rn:
Transmit (reverse phase), receive (in phase)
Tiv-Riv:
Transmit (reverse phase), receive (reverse phase)
10-01 RTTY LCUT FREQ
Function:
Sets the low-frequency cutoff audio filter in RTTY mode.
Available Values:
OFF /100 - 1000 (Hz)
Default:
300Hz
Description:
This is the low-frequency cutoff audio filter in RTTY mode.
The cutoff frequency can be set at 50 Hz increments between 100 Hz and
1000 Hz.
10-02 RTTY LCUT SLOPE
Function:
Sets the slope of the low-frequency cutoff audio filter in RTTY mode.
Available Values:
6 / 18 (dB/oct)
Default:
18dB/oct
Description:
Selects the slope setting of the low-frequency cutoff audio filter in RTTY
mode.
10-03 RTTY HCUT FREQ
Function:
Sets the high-frequency cutoff audio filter in RTTY mode.
Available Values:
700 - 4000 (Hz) / OFF
Default:
3000Hz
Description:
This is the high-frequency cutoff audio filter in RTTY mode.
The cutoff frequency can be set at 50 Hz increments between 700 Hz and
4000 Hz.
10-04 RTTY HCUT SLOPE
Function:
Sets the slope of the high-frequency cutoff audio filter in RTTY mode.
Available Values:
6 / 18 (dB/oct)
Default:
18dB/oct
Description:
Selects the slope setting of the high-frequency cutoff audio filter in RTTY
mode.