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IF RP DIGITAL Menu
52
IF RP DIGITAL Menu
DVB-C
Calls up the previous menu
Level-dependent acoustic signal
In the function, „level
beep,“ a acoustic signal is
generated, whose pitch is
proportional to the received
signal level. With this
signal, it is possible to optimally align the
receiving antenna to a transmitter.
In this menu, the receiving frequency can be
changed using the cursor buttons, ◄►. The
receiving frequency can be changed in this
manner in the RP menu.
Selecting demodulation for DVB-C measurement
With this button, the type of demodulation, QAM64, QAM128 r DOCSIS QAM64
(Softkey designation = DOC64 mode), can be selected. The setting is taken over
for the constellation analysis.
Entering symbol rate
For correct level measurement of digital signals, you can choose between 4 preset
symbol rates (In B-C mode: 6,900; 6,111; 6,952 d 6,875.). It is also possible to
change the preset symbol rates by numerical entry. In the DVB-C range, symbol
rates can be programmed from 0.5 –7.2 Ms. This programming is taken over for
the constellation analysis. With the [MHz] button, the entry is completed.
For correct level measurement of signals, the correct symbol rate must be set!
MPEG decoder menu (OPTION)
In this function, the PAT list (Program Association Table) and the respective PIDs
(Packet Identifier) of the transport stream are displayed. The desired programme
can be selected in this menu and displayed on the screen (see „MPEG decoder“).
6.900
SR1
➧
QAM64
mode
➧
--- RP MEASURE ALL ----
min/max: 38.0/65.0 dBµV
level
beep
mea-
sure
MPEG
PICTURE
70
RP 48.25MHz D65.0 dBµV
QAM64
mode >
BACK
MPEG