Yaesu FT-710 Operation Manual page 94

OPERATION SETTING
- RX DSP -
IF NOTCH WIDTH
Function: Sets the attenuation bandwidth charac-
teristic of the DSP IF notch filter.
Available Values: NARROW / WIDE
Default Setting: WIDE
Description: Sets the attenuation bandwidth char-
acteristic setting of the DSP IF notch
filter to "NARROW" or "WIDE".
NB REJECTION
Function: Selects the level of noise attenuation.
Available Values: LOW / MID / HIGH
Default Setting: MID
NB WIDTH
Function: Sets the duration of the noise blanking
pulse to match various types of noise
compatible with the noise blanker func-
tion.
Available Values: NARROW / MEDIUM / WIDE
Default Setting: MEDIUM
Description: Reduces long duration noise as well
as pulse noise by changing the setting.
APF WIDTH
Function: Sets the bandwidth of the Audio Peak
Filter.
Available Values: NARROW / MEDIUM / WIDE
Default Setting: MEDIUM
Description: In CW mode the APF peak center
frequency is set according to the CW
PITCH frequency and the chosen
APF bandwidth value. In order to lis-
ten to the desired signal comfortably,
select one of the three bandwidths of
the peak filter.
CONTOUR LEVEL
Function: Adjusts the GAIN of the CONTOUR cir-
cuit.
Available Values: -40 - 0 - 20
Default Setting: -15
IF BANDWIDTH
92
"+" Gain
"－" Gain
CONTOUR WIDTH
Function: Sets the bandwidth ("Q") of the CON-
TOUR circuit.
Available Values: 1 - 11
Default Setting: 10
IF BANDWIDTH
"Q"