Yaesu FTDX-9000MP, Руководство по эксплуатации

Страница: 30 / 180

Page 28 FT
DX
9000MP O
PERATION
M
ANUAL
R.FLT Switch
(Refer to Main (VFO-A): )
This switch allows selection of the Sub band (VFO-
B) Roofing filter.
AGC ATT Switch
(Refer to Main (VFO-A): )
AGC Switch
This switch selects the AGC characteristics for the Sub
band (VFO-B) receiver.
ATT Switch
This switch selects the degree of attenuation, if any,
to be applied to the Sub (VFO-B) receiver input.
VRF Switch
(Refer to Main (VFO-A): )
When the Sub band (VFO-B) VRF is engaged by this
switch, the [
VRF
] switch will glow umber.
VRF NTCH Knobs
VRF Knob (Refer to Main (VFO-A):
)
This adjusts the center frequency of the Sub band
(VFO-B) VRF filter, when engaged by the [
VRF
]
switch (# above).
NTCH Knob (Refer to Main (VFO-A):
)
This adjusts the center frequency of the Sub band
(VFO-B) IF Notch filter, when engaged by the
[
NTCH
] switch (#
below).
A A A A A
D D D D DVICE VICE VICE VICE VICE
The Sub band (VFO-B) frequency display will show
the Notch frequency for 5 seconds whenever the outer
[
NTCH
] knob is turned.
You may disable this feature (displaying the Notch
frequency) via Menu item “
DISPLAY 022 LEVEL
INDICATOR .” See page 148 for details.
NTCH Switch
This switch turns the Sub band (VFO-B) manual IF
Notch filter On and Off. Adjustment of the center fre-
quency of the Notch filter is provided by the [
NTCH
]
knob (# above).
NB SQL Knobs
(Refer to Main (VFO-A): )
NB Knob
This adjusts the Sub band (VFO-B) receiver’s IF Noise
Blanker level, when the Noise Blanker is engaged via
the [
NB
] switch (#
below).
SQL Knob
This knob provides adjustment of the Sub band (VFO-
B) receiver’s noise Squelch system.
NB Switch (except on FM mode)
(Refer to Main (VFO-A): )
This switch engages the Sub band (VFO-B) IF Noise
Blanker. Adjustment of the Noise Blanker level is pro-
vided by the [
NB
] knob (#
above).
FFFFF
RRRRRONT ONT
ONT ONT
ONT
P P P P P
ANEL ANEL
ANEL ANEL
ANEL
C C C C C
ONTR ONTR
ONTR ONTR
ONTROLS OLS
OLS OLS
OLS
A A A A A
D D D D DVICE VICE VICE VICE VICE
Sections ( R.FLT ) through ( AFL ) below pertain to operations associated with the Sub band (VFO-B). Be-
cause their function is basically identical to that explained with respect to the Main band (VFO-A), please see the
Main band (VFO-A) discussions for detailed explanations of these controls, switches, and indicators.