Once the spectrum has been performed, press
SPECTROGRAM using the cursors or the variable knob. The figure 47 shows the initial
screen.
1000
750
501
t -
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.
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USER'S MANUAL. TV EXPLORER II/II+
- - -
30
s. T.span:
60
Figure 48.- Initial display
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