FT
DX
9000MP/C
ONTEST
D
ATA
M
ANAGEMENT
O
PERATION
M
ANUAL
A
BOUT
THE
A
UDIO
S
COPE
AND
O
SCILLOSCOPE
It is possible to show both the Audio Scope and the Oscilloscope displays simultaneously.
With the Audio scope, the horizontal line represents frequency, and you can use this function check the fre-
quency response within the TX bandwidth. In the Oscilloscope mode, the horizontal line represents time, and
you can check the RX signal waveform within the RX bandwidth, as well as the TX wave form.
E
XPLANATION
OF
THE
F
UNCTION
K
EYS
ON
THE
A
UDIO
S
COPE
AND
O
SCILLOSCOPE
S
CREEN
Here are the uses for the function keys when the Audio scope and Oscilloscope are displayed on the screen.
A
UDIO
S
COPE
AND
O
SCILLOSCOPE
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MODE
)
The SCAN MODE for the left-side Audio Scope
can be changed. By pressing this key, the mode
changes as shown below.
NORMAL
Æ
WF-1
Æ
WF-2
Æ
NORMAL ......
WF-1 and WF-2 are “Waterfall” displays. The
sweep time (speed) of WF-2 is faster than that of
WF-1.
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[
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](
SOURCE
)
Pressing this key lets you select the source for
the audio to be viewed by the Audio Scope. The
selections are:
VFO-A
Æ
VFO-B
Æ
EXT
Æ
VFO-A ......
When EXT is selected, you can observe the au-
dio wave form of a signal provided by equipment
connected to the
AUDIO IN
jack on the rear panel
of the transceiver.
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ATT
) “Attenuator”
This key lets you adjust the attenuator for the Au-
dio scope. Set the appropriate value based on
the received signal.
0 dB
Æ
10 dB
Æ
20 dB
Æ
0 dB ......
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[
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](
LEVEL
)
This key lets you adjust the sensitivity of the Os-
cilloscope display at the right side of the screen.
Adjust the level while viewing the screen, to opti-
mize the setting for the lighting conditions in your
station. Available values are:
0.3 V
Æ
0.1 V
Æ
1.0 V
Æ
0.3 V ......
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[
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](
SWEEP
)
This key lets you adjust the sweep time for the
Oscilloscope. Adjust this setting while viewing the
screen. Available sweep times are:
10 ms
Æ
30 ms
Æ
100 ms
Æ
300 ms
Æ
1 s
Æ
10 ms ......
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](
DISPLAY
)
Press this key to switch the Display monitor to
the “
L
OG
B
OOK
” screen.
Press and hold in this key top switch the Display
to the “
S
PECTRUM
S
COPE
” screen.
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