Scan / Spectrum Function - Promax 26 Manual De Instrucciones

Figure 11.- Representation of the Constellation Diagram and MER measurement of a
When the QUADR [F5] key is repeatedly pressed, a transition is done to each
single quadrant: Q1, Q2, Q3 and Q4.
b) SCAN
The SCAN function shows on screen the graph corresponding to the spectrum of
signals pertaining to active channel plan and within the frequency range selected
through the SPAN option. (see section '4.2.3.1 SCAN function').
c) LOGGER
With the STORE function it is possible to store the measurements obtained in
memory for their later display, printout or transfer to a PC. The PROMAX-26 allows
users to store up to 30/50 loggers (or acquisitions according to the MODEM or TV
operating mode) in the memory, with up to a maximum of 140 analysed channels in
each of them. When pressing STORE option [F2] stores the data corresponding to
the measures of the tuned channel in a logger, that by defect it is named as the
following stored acquisition. (see section '4.2.3.2 LOGGER function').
It is possible to modify so much the channel tuned frequency as well the
channel number of the current channel plan by means of the
[F5] option.
4.2.3.1

SCAN / SPECTRUM function

The SCAN function shows the level of each of the active channels in the
channel plan through a floating marker on the screen. Furthermore it allows the
spectrum graphical analysis with the best resolution when activating the SPECTRUM
[F1] option from the lower selection box. Therefore it's possible pto visualise all exsiting
interferences into the channel or adjacent channels.
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digital channel.
USER'S MANUAL. PROMAX-26
FREQ. or CHANNEL
02/2007