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Kenwood TS-890S Manual

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Audio Scope
The TX/RX audio can be displayed on an “audio scope screen”
where a spectrum scope and an oscilloscope are displayed as well
as on a “multi scope screen” where a reduced display of the
bandscope appears at the top together with the “audio scope
screen”.
Displaying the Audio Scope
Press and hold [SCP] to display the Audio Scope
screen.
Pressing and holding [SCP] each time toggles the display
between “Audio Scope” and “Bandscope”.
Audio Scope Screen
Left: Spectrum scope
Right: Oscilloscope
.
Switching the Audio Scope Display Type
1 Display the Audio Scope screen.
2 Press [SCP].
Pressing [SCP] each time switches the selection in the
following sequence.
“Audio Scope screen”
↓
“Multi Scope screen”
↓
No scope display (ends scope display)
Multi Scope Screen
Top: Reduced bandscope display
Left: Spectrum scope
Right: Oscilloscope
.
3 Press [ESC] to end the display.
Switching the Spectrum Scope Attenuator
By switching the attenuator for the spectrum scope, the spectrum
display can be adjusted to a level that is easy to see.
Press F2 [ATT].
Pressing F2 [ATT] each time switches the attenuator.
Setting Value Off (default)/ 10 dB/ 20 dB/ 30 dB
•
Pressing and holding F2 [ATT] each time switches the
options in the reverse sequence.
•
The current setting is displayed at the top of the spectrum
scope.
Switching the Display Frequency Span of the
Spectrum Scope
The display frequency span of the spectrum scope can be
configured to 3 kHz or 8 kHz. Configure the display frequency span
to an appropriate setting according to the filter band setting and
frequency to observe.
Press F3 [SPAN].
Pressing F3 [SPAN] each time toggles the span between “3
kHz (default)” and “8 kHz”.
.
Display when 8 kHz is selectedDisplay when 3 kHz is selected
Switching the Oscilloscope Level
By switching the vertical level of the oscilloscope, the amplitude of
the waveform can be adjusted to a size that is easy to see.
Press F6 [LEVEL].
Pressing F6 [LEVEL] each time switches the level.
Setting Value 0 dB (default)/ -10 dB/ -20 dB/ -30 dB
•
Pressing and holding F6 [LEVEL] each time switches the
options in the reverse sequence.
•
The current setting is displayed at the top of the oscilloscope.
Switching the Sweep Time
Switching the sweep time of the oscilloscope alters the time range
of the oscilloscope display. The sweep time can be adjusted
according to the status of the signal to be observed.
Press F5 [TIME].
Pressing F5 [TIME] each time switches the sweep time.
Setting Value
1 ms/ Div/ 3 ms/ Div/ 10 ms/ Div/ 30 ms/ Div/ 100
ms/ Div (default)/ 300 ms/ Div
•
Pressing and holding F5 [TIME] each time switches the
options in the reverse sequence.
•
The sweep time is displayed at the bottom of the
oscilloscope.
Pausing the Audio Scope
When the waveform displayed on the Audio Scope screen is
paused, the waveform is maintained until it is unpaused. The audio
scope can be paused to enable analysis of the waveform without
being interrupted whenever the display is refreshed.
Press F4 [PAUSE] to pause the waveform display.
•
When the waveform display is paused, << >> is
displayed and both the spectrum scope on the left and the
oscilloscope on the right stop refreshing temporarily.
•
Pressing F4 [PAUSE] again cancels the paused state.
.
7 SCOPE FUNCTIONS
7-8
… 104 …


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