Yaesu FT-2000 Operating Manual page 27

Hf/50 mhz transceiver
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F
RONT
A M Switch
Pressing and holding in this key for 1/2 second (until
the double beep) copies the current operating data from
the Main band (VFO-A) into the currently selected
memory channel, overwriting any previous data stored
there.
Also, pressing and holding in this button after recall-
ing a memory, without first retuning, causes the memory
channel to be "masked," and repeating the process re-
stores the masked memory.
MENU Switch
This button is used for gaining access to the Menu sys-
tem, for configuring various transceiver characteris-
tics. Menu operation is described in detail, in this
manual, beginning on page 112.
I
N
:
Pressing this button momentarily activates the Menu,
and the Menu items will appear on the display; once
you are finished, you must press and hold in the
[ MENU ] button for two seconds to save any configu-
ration changes (momentarily pressing the [ MENU ]
button to exit will not save the changes).
BAND Keys
These keys allow one-touch selection of the desired
Amateur band (1.8 ~ 50 MHz).
What's more, these keys may be used for direct entry
of a desired operating frequency during VFO opera-
tion.
RX CLAR Switch
Pressing this button activates the RX Clarifier, to al-
low offsetting the Main (VFO-A) receiving frequency
temporarily. Press this button once more to return the
Main receiver to the frequency shown on the main fre-
quency display field; the Clarifier offset will still be
present, though, in case you want to use it again. To
cancel the Clarifier offset, press the [ CLEAR ] button.
TX CLAR Switch
Pressing this button activates the TX Clarifier, to al-
low offsetting the Main (VFO-A) transmit frequency
temporarily.
Press this button once more to return the transmitter to
the Main (VFO-A) frequency shown on the main fre-
quency display field; the Clarifier offset will still be
present, though, in case you want to use it again. To
cancel the Clarifier offset, press the [ CLEAR ] button.
CLEAR Switch
Pressing this button clears out any frequency offset you
have programmed into the Clarifier register (thereby
setting the offset to "Zero").
CLAR Knob
This knob tunes the Clarifier offset frequency up to
9.99 kHz.
FT-2000D O
P
ANEL
M
C
ONTROLS
VRF Knob
This knob tunes the passband of the VRF (Variable RF
Filter) preselector circuit for maximum receiver sensi-
tivity (and out-of-band interference rejection).
A
:
The relative position of the VRF passband can be
observed on the Tuning Offset Indicator of the dis-
play via Menu item "010 diSP BAR SEL."
When the optional RF µTuning Kit is connected,
this knob allows adjustment of the center frequency
of the µ-Tuning filter passband (which is much
narrower than that of the VRF).
VRF Switch
This button turns the VRF filter on and off. While ac-
tivated, the "
of the Receiver Configuration Indicator on the display.
A
:
When the optional RF µTuning Kit is connected, press-
ing this button will engage the µ-Tuning filter. The
µTuning Kit provides much better RF selectivity than
any other RF filter in the Amateur industry, yielding
outstanding protection from high RF levels not far re-
moved from the current operating frequency.
NOTCH Switch
This button turns the Main band (VFO-A) receiver's
IF Notch Filter on and off.
When the IF Notch Filter is activated, the peak posi-
tion of the IF Notch Filter is depicted graphically in
the display. The IF Notch Filter center frequency is
adjusted via the [ NOTCH ] knob.
DNF Switch
This button turns the Main band (VFO-A) receiver's
Digital Notch Filter on and off. When the Digital Notch
Filter is activated, the "
play. This is an automatic circuit, and there is no ad-
justment knob for the DNF.
NOTCH Knob
This knob adjusts the center frequency of the Main
band (VFO-A) receiver's IF Notch Filter. The Notch
Filter is engaged via the [ NOTCH ] button.
Initially, the approximate center frequency of the IF
Notch Filter is adjusted by the outer [ COARSE ] knob;
then, fine tuning of the center frequency is adjusted by
the inner [ FINE ] knob.
& S
WITCHES
" icon will appear in the FLT column
" icon appears in the dis-
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