Yaesu FT-2000 Operating Manual page 29

F
RONT
CONT Switch
This button turns the Main band (VFO-A) receiver's
CONTOUR filter on and off. When the CONTOUR
Filter is activated, the peak position of the CONTOUR
Filter is depicted graphically in the display. Adjustment
of the CONTOUR filter's center frequency is provided
by the [ CONTOUR ] knob.
N : : : : :
OTE
There are times, when you're trying to remove inter-
ference with a sharp DSP filter, that the remaining sig-
nal has a somewhat unnatural sound. This is caused by
the cutting of some frequency components, leaving
other components in excess. The CONTOUR filter al-
lows you (especially) to roll off certain frequency com-
ponents inside the remaining passband, but in a smooth
manner that helps restore a natural sound and/or raise
intelligibility.
DNR Switch
This button turns the Main band (VFO-A) receiver's
Digital Noise Reduction circuit on and off. When the
Digital Noise Reduction is activated, the "
appears in the display. Adjustment of the Noise Re-
duction level is provided by the [ DNR ] knob.
CONTOUR DNR Knob
CONTOUR Knob
The inner [ CONTOUR ] knob selects the desired Main
band (VFO-A) receiver's CONTOUR filter response.
The CONTOUR filter is engaged via the [ CONTOUR ]
button.
DNR Knob
The outer [ DNR ] knob selects the Main band (VFO-
A) receiver's optimum Digital Noise Reduction re-
sponse. The Noise Reduction circuit is engaged via
the [ DNR ] button.
RX Indicator/Switch
This is the button that turns the Sub (VFO-B) receiver
On and Off. When this button is pressed to make the
Sub (VFO-B) receiver active, the Green LED imbed-
ded within the button will light up. Pressing the button
again will disable this receiver, and the imbedded Green
LED will turn off.
TX Indicator/Switch
This is the button that turns the Sub (VFO-B) trans-
mitter On and Off. When this button is pressed to trans-
fer transmitter control to the Sub (VFO-B) frequency
and mode, the Red LED imbedded within the button
will light up. Pressing this button once more will trans-
fer frequency/mode control back to the Main (VFO-
A) side, and the Red LED imbedded within this button
will turn off.
FT-2000 O
PERATING
P
ANEL
" icon
M
ANUAL
C
ONTROLS
SUB VFO-B Knob
Depending on the status of the [ A/B ] button located at
the right bottom of the [ SUB VFO-B ] knob, the [ SUB
VFO-B ] knob is used for functions associated with the
Main (VFO-A) or Sub (VFO-B) frequency control reg-
isters.
( VFO-A ) BAND Switch
Pressing this button allows you to select the Main
(VFO-A) operating band (Amateur bands) using the
[ SUB VFO-B ] knob.
( VFO-A ) MHz Switch
Pressing this button allows you to tune the Main band
(VFO-A) frequency down or up in 1 MHz increments,
using the [ SUB VFO-B ] knob.
GRP Switch
Pressing this button allows you to select the memory
group using the [ SUB VFO-B ] knob.
M CH Switch
Pressing this button allows you to select the memory
channel using the [ SUB VFO-B ] knob.
( VFO-B ) BAND Switch
When the [ A/B ] button is pressed, and the Orange lamp
to the right of the [ SUB VFO-B ] knob lights up, press-
ing this button allows you to select the Sub (VFO-B)
operating band (Amateur bands) using the [ SUB VFO-
B ] knob.
( VFO-B ) MHz Switch
When the [ A/B ] button is pressed, and the Orange lamp
to the right of the [ SUB VFO-B ] knob lights up, press-
ing this button allows you to tune the Sub band (VFO-
B) frequency down or up in 1 MHz increments, using
the [ SUB VFO-B ] knob.
FAST Switch
When the [ A/B ] button is pushed, and the Orange lamp
to the right of the [ SUB VFO-B ] knob lights up, the
[ SUB VFO-B ] knob will be controlling the Sub band
(VFO-B) frequency; pressing the [ FAST ] button will
increase the tuning rate by a factor of 10.
A/B Switch
The [ A/B ] button determines whether the actions of
the [ SUB VFO-B ] knob will be applied to the Main
band (VFO-A) or the Sub band (VFO-B).
Pressing this button once causes the Orange lamp to
the right of the [ SUB VFO-B ] knob to light up; in this
case, rotation of the [ SUB VFO-B ] knob affects op-
eration on the Sub band (VFO-B). Pressing the [ A/B ]
button once more causes the Orange lamp to turn off;
in this instance, rotation of the [ SUB VFO-B ] knob
affects operations associated with the Main band (VFO-
A).
& S
WITCHES
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