Function Reference
PDC and VPS
5
5-25
Switching off PDC Signal
The PDC signal generated in the Teletext B mode is switched off by:
•
Select the
digital
menu.
•
Select
PDC Data Set
using the
é
é
or
ê
ê
softkey (F2 or F1).
•
Press the
edit
softkey (F3).
•
Select
PDC Data Set
Off
by the
ê
ê
softkey (upper position in the
digital PDC
menu).
•
Press the
enter
softkey (F5).
The instrument returns to the
digital
menu and indicates
PDC Data Set Off
.
If you select a 525 line system the PDC information is automatically switched off.
Changing PDC Data
You can program new PDC data sets 1 to 4. You should have specific knowledge of the
relationships and construction of PDC data and Teletext Data Packet 8/30 format 2. The
instrument does not check the consistency and correctness of allowed PDC data input.
The size of the numerical values for the various parameters is limited by the number of
bits provided for this in the PDC code, so that random numbers cannot be entered. The
maximum PDC data input values respectively bits are shown in Figure 5-19 in the
Data Set 1.
Furthermore you can change the text of the PDC Program Titles for data sets 1 to 4.
The displayed PDC data, date, and time on Teletext Page 300, are identical to the con-
tents of the PDC data sets 1 to 9 if the instrument is set to the
Teletext B FLOF1
or
Teletext FLOF 2
mode. When you have programmed the PDC data sets 1 to 4, the timer
data, date, and time are automatically changed.
An example of user programmed PDC data (data set 1) is shown in Figures 5-19
and 5-20.
Figure 5-19. PDC Data Set 1, User Programmed Data
Figure 5-20. PDC Data Set 1, User Programmed Title
Remark:
PDC data sets 5 to 9 have fixed data and are not programmable by the user.
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