On the X-axis the time variables references are showed. On the right corner the
capturing elapsed time is displayed. On the center the T.Span is showed, it defines the
seconds that will be displayed on the screen. For example, if the T.span is 60s, therefore
the last 60s captured, will be displayed on the screen. On the left corner the t variable is
used to move the cursor at any time position regards to the initial capture time. To adjust
the T.Span or t uses the variable knob or the cursor.
On the Y-axis are placed the frequency variables. In this axis the initial and final
frequencies are showed and depend on the Spectrum Analyzer configuration.
example if the Spectrum Analyzer frequency is 650 MHz and the Spam=100 MHz, the
Spectrogram will show as initial frequency 601MHz and end frequency 701MHz.
Next to the final frequency the cursor frequency and its signal level are displayed.
The cursor can be moved through the whole screen. Use the variable knob or the
cursors and adjust the frequency and temporal position.
5.16.2.1
Configuration
Before the capture begins the options must be configured. Press the key,
and an option menu will be displayed.
Temporal reference
Begin:
The captured information will be showed on the display with initial reference
0 s and it is placed on the left edge. In this option the screen is not updated
with news acquisitions unless the cursor is moved at the end of the capture.
Using the temporal position, the cursor can be move through the entire file and
the display will be updated according to the new temporal reference.
This option is very useful to visualize the captured information. For example if
the elapsed time is 500 sg and we want to show the 200s, this number must
be filled in the temporal position. The cursor will be moved to, and the screen
will be updated showing the new levels signals.
End:
Selecting this option, the cursor is related to the last acquisition time. If the
temporal reference is filled with 0 seconds, the cursor will be placed at the end
of the capture, therefore the screen always shows the last acquired data.
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USER'S MANUAL. TV EXPLORER II/II+
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09/2009
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