5.16.1 Markers
(Only in Spectrum Analyzer mode). The marker in red color indicates the central
frequency or tuning frequency, which can be moved by means of turning the rotary
selector
[1] as well in channel as in frequency tuning mode
When monitoring a digital signal spectrum also appears two additional markers in
white color, which indicate the bandwidth of the digital channel (See previous Figure).
If the highlighted measurement which appears on the measurement screen
corresponds to C/N, the Spectrum Analyzer mode will measure the C/N ratio at the
frequency indicated by the marker and a second marker will indicate the frequency for
the noise measurement.
5.17
Screen capture
The user can capture and save different screens in a file, with the aim to process
them later. The screens, which can be captured, are the following ones (available
according to the model):
1.
Constellation Diagram
2.
Spectrum analyzer
In order to save a screen, access through the function or operating mode to the
Utilities menu
option, later introduce by means of the alphanumeric keyboard [8] the file name of the
screen to be captured, and finally confirm it by pressing again the rotary selector
5.17.1 Recall screen
Access the Utilities menu
according to the type of capture that has been carried out:
1. Recall Constellation
2. Recall Spectrum
When trying an option by means of the rotary selector
that contains the names of the stored files. Select one using the rotary selector
or press EXIT.
Page 70
[22] and select by means of the rotary selector
USER'S MANUAL. US TV EXPLORER
[22] and select one of the following options
Recall a constellation diagram.
(DVB-S/S2, QAM-A, QAM-B)
Recall a frequency spectrum graph.
[24].
[1] the Save as:
[1].
[1] it appears a menu
[1]
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