Zoom, Scroll And Erasing Functions - Promax US TV EXPLORER II Manual De Uso

USER'S MANUAL. US TV EXPLORER
When selecting a constellation diagram for DVB-S2 signals, on screen will appear
the following information:N
Figure 49.- Constellation Diagram. DVB-S2 (8PSK) signal.
The transmission quality is visualized in a qualitative way using a color range for the
symbol density concentrated in a certain area. This color coding goes from black
(no symbols) to red (maximum density), and runs from blue to yellow in ascending
order.
A greater dispersion of the symbols indicates greater level of noise or worse signal
quality.
If concentration of symbols or noise appears is indicative of good carrier/noise ratio
or absence of problems as phase noise, etc.,.
5.15.3.1

Zoom, scroll and erasing functions

The US TV EXPLORER
representation over one single quadrant. Select the SCROLL option to move the focus
over the whole viewing area using arrow cursors
the graph screen or SHARP option to increase the image clearness.
11/2013
II
II also includes, a ZOOM function to enlarge graphic
[6] key, CLEAR option to reset
NOTE
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