Triax UPM 1400, Руководство пользователя

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UPM 1400
17 EN
F3 - DiSEqC settings
F4 - return to other functions
Satellite, spectrum: constellation diagram
The screen shot below shows the rating and constellation diagram of a QPSK DVB-S modulated transponder by
pressing the F2 key
The UPM 1400 evaluates the signal parameters of a channel and displays them graphically using a constellation
diagram. Ideally, the device receives a noise-free and interference-free signal. This is shown in 4 quadrants over
many small dots which are grouped together and form circles.
If the device receives a bad signal, this has a corresponding effect on the display. The points of the 4 quadrants then
no longer group together in structured circles, but spread out in a less structured way.
Explanation of parameters:
Sat-HF - HF Transponder Frequency
NIT - automatic satellite detection
SR - symbol rate
Polarization - transponder polarization
22K - Shows if 22 KHz is enabled
DiSEqC 1.0 - DiSEqC command display
Modulation - Displays the type of modulation
FEC - display of applied error correction
POW - signal level in dBuV (can also be set to dBm in the settings menu)
MER – signal quality based on measurement of modulation error rates
CBer – signal quality based on measurement of bit error rate before error correction
VBer – signal quality based on measurement of bit error rates after error correction
Function Key Options
:
F1 - starts searching for stations on the corresponding transponder
F4 - back to spectrum
Satellite plotting, introduction
This tutorial walks you through the complete installation of a satellite reception using the example of the Astra
located at 19.2° East.