- 24 -
CGT 660
• Use the
buttons to call up the stations in sequential order, then use
to activate (indicated by "
+
") or to remove them (indicated by "
–
").
•
To activate the station filter press the button.
—> The display shows "
PROGRAM Filter on
".
—> If stations are removed the corresponding PID‘s (audio, video, text)
are removed from the data stream and the PAT and SDT tables are
updated. This reduces the bandwidth of the data stream.
—> The station filter remains deactivated ("
off
") if no station was removed.
t
est
the
status
of
the
individual
stations
If the station filter is switched on, press the button. In this mode you can use
the
buttons to scroll through the station list, and
to switch stations
back on or off again.
•
In the "
PROGRAM Filter on
" menu the station filter can be switched "
off
"
using the buttons
.
• Press the
button.
—> If no CA module is installed the "QAM modulation" – "
QAM
" menu
is activated when the channel strips "
A
" and "
B
" are programmed.
—> Programming the channel strip "
A
" with a CA module installed the men-
us configuring the CA module – "
CA
" are activated (from page 32 on).
Qam
modul ation
In this menu, you can set the QAM modulation and invert the user signal.
Bx 1A
/B
256
QAM
normal
•
Use
to set the QAM modulation ("
4
" … "
256
").
—> For higher QAM modulation, the output symbol rate is lowered. An
output QAM modulation of > 64 QAM places a large burden on the
cable network. Due to noise, delay and frequency response prob-
lems, reception of the converted output signal can be impeded.
