ASTRO U 158, Руководство по эксплуатации

Страница: 30 / 60

“RF” menu
Operating manual U 158 - Version 10-2018A page 30
“RF” menu
To configure the QAM outputs, start by clicking on the “RF” item in the menu at the left. The following
table will then appear in the content area at the top, in which the most important settings for all output
channels can be entered.
Figure 27: Table 2 “RF channels”

Enable:
To activate or deactivate an output channel, click the corresponding radio button. If you
select the “Standby” option, the decoder will run, but the corresponding output will be switched off.
This may be practical when, for example, the module is being used as a replacement module in a
redundant circuit.

Stream:
Select the incoming data stream for conversion from the drop-down menu. The
drop-down menu shows all available data streams received using the eight IP receivers. The last
item in the drop-down menu is the ASTRO test generator, which generates a digital radio program
with a 1 kHz tone in the output channel which has been set.

Symbol Rate:
This displays the symbol rate currently configured for the output channel.

Standard Bandwidth Constellation TS Rate:
The QAM standard, the bandwidth of the
output channel, the modulation type and the output data rate are displayed here.