Rover S2 SCOUT, Руководство пользователя

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S2
USER MANUAL
24
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THE TRANSPONDER IS INCLUDED IN A USER-DEFINED
TRANSPONDER MEMORY PLAN
The following screen will be shown:
In the display second row, either SAT QPSK DVB-S or SAT QPSK DSS will be
shown.
In the subsequent rows, the following informations will be shown:
•
High/low band and polarization (third row on the left);
•
DiSEqC status (third row on the right);
•
Local oscillator frequency (fourth row on the left);
•
Symbol Rate (fourth row on the right);
On the bottom right angle, the letter “S” will match the “SAT” label on the meter and a
open lock will match the “DIG” label.
WHILE SHOWING THIS SCREEN, THE LOCK WILL ALWAYS APPEAR OPEN,
EVEN IF THE SIGNAL IS CORRECTLY LOCKED.
{
CHANNEL POWER MEASUREMENT
The bottom part of the above screen shows the channel power and the associate
measurement unit. There is also a level bar which shows both the actual value of
the measure (as a black bar) and the peak value (as a vertical row).
{
NOISE MARGIN, QUALITY TEST, MER E EVM MEASUREMENTS
Press once the MEAS [G] key, to switch from the channel power measurement
screen to the noise margin measurement screen.
If the channel is correctly locked, the meter will show the Noise Margin (N.MAR),
the quality test (QLTY), the MER and EVM (Error in the Modulation Vector)
measurements.