Digital Notch Filter (Dnf) Operation - Yaesu FT DX 9000 CONTEST Operation Manual

D D D D D R R R R R U U U U U
U U U U U AL AL AL AL AL ECEIVE ECEIVE ECEIVE
ECEIVE ECEIVE
D.NOTCH/DNF ( D
If the optional Dual Receive Unit (RXU-9000) is installed, Digital Automatic Notch Filter operation is available on both
the VFO-A and VFO-B. Operation is identical on either VFO.
As a reminder, there is no difference in the fundamental performance of the two VFOs. Please see page 67 for details.
VFO-A B DNF O
AND PERATION
Press the VFO-A [ D.NOTCH ] switch to engage the Digi-
tal Notch filter. The LED imbedded in the switch will glow
Red, to confirm that the DNF circuit is engaged.
To cancel DNF operation, press the VFO-A [ D.NOTCH ]
switch once more. The imbedded LED will go out, con-
firming that the Digital Notch Filter is no longer in opera-
tion.
Page 168
( RXU-9000 RXU-9000 )
RXU-9000 RXU-9000
RXU-9000
NIT NIT NIT NIT NIT
IGITAL
( VFO-A ) [ D.NOTCH ] Swicth
( VFO-B ) [ DNF ] Swicth
) O
N F
OTCH ILTER PERATION
VFO-B B DNF O
AND
1. Pressing the [ SUB RX ] switch will engage Dual Re-
ceive operation.
When the imbedded LED glows green, this is your
confirmation that Dual Receive is in operation.
2. Press the VFO-B [ DNF ] switch to engage the Digital
Notch filter. The LED imbedded in the switch will glow
Umber, to confirm that the DNF circuit is engaged.
To cancel DNF operation, press the VFO-B [ DNF ] switch
once more. The imbedded LED will go out, confirming
that the Digital Notch Filter is no longer in operation.
FT 9000 C
DX ONTEST
VDD BIAS TEMP SWR
[ SUB RX ] Switch
PERATION
O M
PERATION ANUAL