OPERATORS MANUAL
TT1200 MPEG2-DVB PROFESSIONAL DECODER
PAGE 30
TANDBERG TELEVISION ASA, Philip Pedersensvei 20, PO Box 322, N-1324 Lysaker, Norway
Tel: +47 67 11 62 00, Fax: +47 67 11 62 01
Fixed Key CA
Setup
Submenu
If CA-mode equals fixed key. The
menu allows the user to set a
fixed keyword, with an even (
E
) and an odd (
O
) part. The fixed
keyword is entered as a 12-digit (48 bits) hexadecimal number.
The descrambling is according to BISS mode 1.
Signal protection
on/off
This menu is only relevant if the TT1200 has a signal protection
chip installed. If so, signal protection can be disabled or enabled
Menu Lock
on/off
Menu lock can be disabled or enabled.
Alarm delay
The time [seconds] it takes from the alarm condition is detected
until the alarm relay is activated.
Video Alarm
Normal
DC
Controls the Video output when there is no video to output.
In this mode a black picture with sync pulses is displayed when
there is no video to output.
In this mode a DC signal will be present at the video output
when there is no video to display.
Alarm hold
Seconds
Timer for keeping the alarms/warnings on for n seconds after the
error is gone.
Input Source
Demod/
ASI/AUX
Select input source. Is set to
DVB
or
Demod
(depending on the
actual input interface), except for Irdeto versions, for which it is
set to
AUX
. See also section 5.4.5.1.1
PSI on/off:
The TT1200 can be set up to select services in two ways:
•
PSI = on
: The service to be decoded is selected in the
TV Channel
⇒
Select Service
Menu.
The names of the services contained in the transport stream is displayed, and the user can select
service from the menu. The TT1200 will extract the corresponding service components (PID’s),
based on the PSI/SI information in the transport stream. See 5.4.2 Selecting TV service.
•
PSI = Off
: If PSI is switched off, the TT1200 does not read the PSI/SI in the transport stream (if
present), and the user has to specify manually which PID’s to be decoded. In this case the
TV
Service
,
TV Language
,
Audio 2/3 Service
,
Audio 2/3 Language
and
PID info
menus
disappear (as they all are based on the contents of PSI/SI tables). Instead, the
TV PIDs, Audio2
PIDs
and
Audio3 PIDs
menues appear in the
Setup
menu. By selecting one of these menus
the
operator may set Video PID, Audio PID, PCR PID (usually equal to Video PID), teletext PID and
Subtitling page manually. Figure 18 shows the
Setup
menu when
PSI
is set to
Off
. See section
5.4.4 for further explanation of manual configuration of PSI/SI.
Note also that the
Favourites
and
CA-module
menus will disappear when
PSI = Off
.
5.4.5.1.1 Configuration of conditional access
There are two parameters in the
System Options
menu that affects the conditional access; the
CA-
mode
entry and the
Input source
entry. These parameters are preset from the factory, according to
the CA-version of the unit.
All TT1200 versions with Viaccess, Conax, Mediaguard or Nagravision CA,
CA-mode
is set to
Standard
. These CA systems are implemented in the TT1200 software, and do not require any
additional modules. Note however, that a special software version (version number ending with MG)
must be used in order to use Mediaguard CA.
