Using The Ctr (Center) Display Mode - Yaesu FTDX-9000 Operation Manual

S
PECTRUM
It is possible to switch between the Main (VFO-A) and Sub (VFO-B) VFOs. Also, dual display of both VFOs is
available (Upper: Main (VFO-A) and Lower: Sub (VFO-B)).
Also, the LBWS (Limited Band Width Sweep) mode lets you perform a high-speed, high-resolution sweep of a
limited band segment.
1. Press the [ F6 ]( CTR/FIX ) key to change to the CTR
mode.
2. By pressing [ F6 ]( CTR/FIX ) key, the CTR mode
and the FIX mode will be toggled alternately. In
the CTR mode, the center frequency (your cur-
rent operating frequency) will displayed and the
frequency indication located at the mid of the dis-
play will be shown as FREQUENCY. Also, the
yellow " " arrow will appear at the center of the
display, indicating your current operating fre-
quency.
3. Press the [ F2 ]( SPAN ) key to select the desired
frequency span to monitor.
By pressing the [ F2 ]( SPAN ) key, the span will
change as follows.
25 kHz 50 kHz
500 kHz 1000 kHz
4. Press this key to select the attenuation value ac-
cording to current propagation conditions, your
operating frequency and antenna, etc.
0 dB 10 dB 20 dB
5. Press the [ F4 ]( A/B ) key to select the desired VFO
to monitor.
6. If you want to display both VFO spectra, press
the [ F5 ]( DUAL ) key to engage the dual display
mode.
The Main (VFO-A) will appear in the upper dis-
play field, and the Sub (VFO-B) will appear in the
lower. When dual display is engaged, if the
[ F6 ]( STATUS ) key is pressed, the setup status will
be indicated on the screen. When this key is
pressed again, the setup status screen will disap-
pear.
Press the [ F1 ]( FUNC ) key to show the screen
for setup of the Marker. The indication
[ F1 ]( FUNC ) will change to [ F1 ]( MKR ON/OFF ) ;
now press [ F1 ]( MKR ON/OFF ) once again, and
the Marker line will be displayed at the center of
the screen.
It is possible to change the position of the marker
by pressing the [ F2 ]( ) and [ F3 ]( ) key. If you
want to center on a strong signal, you can move
the marker to the screen position occupied by
that signal. When the [ F5 ]( CF ) key is pressed
momentarily (one touch), the marker position
will return to the center.
Page 14
S
COPE
U CTR C
SING THE
100 kHz 250 kHz
2500 kHz 25 kHz ......
0 dB ......
U
D M
ENTER ISPLAY
"SPAN" Select
D
UAL
M
In order to remove the marker, press the
[ F1 ]( MKR ON/OFF ) key.
When you want to return to the Spectrum Scope
screen, press the [ F7 ]( EXIT ) key. If the screen
returns to the previous screen (with the Marker
displayed), the marker will remain on the screen.
FT 9000 TFT O
ODE
"FIX/CRT" Select
D M
ISPLAY ODE
M