Yaesu FT DX 9000 TFT, Manual

Page: 18 / 52

FT
DX
9000 TFT O
PERATION
M
ANUAL
S
PECTRUM
S
COPE
U
SING THE
CTR
(
C
ENTER
)
D
ISPLAY
M
ODE
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 current operat-
ing frequency) will displayed and the frequency in-
dication located at the mid of the display will be
shown as FREQUENCY.
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
Æ
50 kHz
Æ
100 kHz
Æ
250 kHz
Æ
500 kHz
Æ
1000 kHz
Æ
2500 kHz
Æ
25 kHz .....
4. Press this key to select the attenuation value ac-
cording to current propagation conditions, your
operating frequency and antenna, etc.
0 dB
Æ
10 dB
Æ
20 dB
Æ
0 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 display
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 disappear.
U
SING THE
M
ARKER
ˆ 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.
ˆ It is possible to change the position of the marker
by pressing the [
F2
](
W
) and [
F3
](
X
) 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.
ˆ In order to remove the marker, press the
[
F1
](
MKR ON/OFF
) key.
ˆ 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.
Ï
“SPAN” Select
Ï
“CRT/FIX” Select
D
UAL
D
ISPLAY
M
ODE
Page 14