13
8.2.2 Output parameters
OP > Operating Mode
F > Output frequency
Normal > normal mode
Frequency is freely selectable.
Single > single carrier for level
It is recommended to use the
measurement with
appropriate TV standard channel grid.
an analogue antenna
The frequency of the channel centre
measurement device
is set
(e.g. channel 21, 470…478 MHz,
Zero
> digital channel with
channel centre setting 474 MHz)
content 0. (constant
level without
fluctuations)
BW > Bandwidth
QM > QAM mode
Choose bandwidth depending
Setting of the possible QAM mode
on output frequency between
(16, 32, 64, 128, 256) depending on
7 MHz and 8 MHz.
the data rate of the input transponder.
Only the available QAM modes will be
displayed.
SR > Symbol rate
SP > Spectrum
Up to 7.200
k
ilo
Sym
bole/sec.
Is dependent on the selected
Normal
> normal mode
QAM mode (used settings in
Cable networks:
Invers
> Primary signal can be
256 QAM / SR 6.900).
inverted in its spectral position.
Only the symbol rates that
Inversion is only necessary in
are available are accepted.
exceptional cases.
On OFF > Output channel
ATT > Output level
If not all of the output channels
The output level at the output is
are to be assigned, each
90 dBµV and can be attenuated for
channel can be switched
each channel up to 12 dB in 1 dB
OFF
individually.
steps.
After setting of all
Parameters, press the
Set
button.
With this, the adjusted
parameters are accepted.
Please repeat the steps for the
other channels.
Notice: The connected DVB-C / QAM receivers must be programmed in
accordance to the parameters set in the headend.