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HDMU 790 C
Frequency setting (42.0 MHz … 860.0 MHz; modulators "A" … "D"):
FREQ
851.14 MHz
Bx 4A
C– –
A <–> B
842.00 MHz
Bx 4B
C67
FREQ
850.00 MHz
Bx 4C
C68
C <–> D
858.00 MHz
Bx 4D
C69
—> For modulators "A" and "C" any frequency (42.0 MHz …
860.0 MHz) can be set via the frequency setting.
For modulators "B" and "D" only this spacing to the modulators "A"
and "C" can be set via the frequency setting.
• Use buttons
to select the cursor position for frequency setting.
• Use buttons
to adjust the desired frequency.
• Press the button.
—> The "Output symbol rate, QAM modulation" – "
QAM-MODE
" sub-
menu is activated.
o
utput
symbol
r ate
, qam
modul ation
In this menu you can set the output symbol rate, the QAM modulation and invert
the user signal.
Bx 4A
!
6900 QAM 256
QAM–MODE
POS
Output symbol rate:
In this menu item you can set the output symbol rate.
• Use the
buttons to place the cursor under the number to be changed
of e.g. "6900" and set the symbol rate with the buttons
.
—> A displayed "!" indicates an output data overflow (page 35).
Bx 4A
!
QAM–MODE
In this case increase the output symbol rate or the QAM modulation
or remove stations from the data stream using the station filter.