4.5.3
F3: Tools
Access by the
key. It shows the Tools menu. This menu can change
depending on the type of selected standard. Tools are:
► Explore channel
set: It explores the selected channel set.
► Constellation: It displays the constellation of the locked signal.
► LTE Ingress Test: It enables the detection of signal interferences coming
from mobile phones.
► Echoes: It detects the echoes that may appear due to the
simultaneous reception of the same signal from several
transmitters.
► Mer by carrier: This function analyses continuously the measure of the
MER value for each one of the carriers forming the
selected channel and they are displayed in a graphic on
screen.
► Merogram: This function shows a graphical representation of the
MER level for each carrier of the locked signal, which is
superimposed over time.
► Datalogger: It creates a file in which are stored measurements. This
file belongs to the selected current installation.
► Spectrogram: This function shows a graphical representation of the
spectrum superimposed over time of a channel or
frequency selected by the user.
For more information about these features, see the "Tools" chapter.
4.5.4
F4: Advanced
Access by the
function key. It allows selecting among several parameters to
display the spectrum.
The advanced menu consists of the following options:
► Average: The user can select the amount of signal values to be used
to set the average signal value to be displayed on screen.
The larger the average value, the more stable the displayed
signal appears.
4-44
April 2013
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