Ericsson TT1222 - Manual (Page 13)

4BTypical Operation and Setting of Parameters
4 Typical Operation and Setting of Parameters
Refer to Section 3.2 onwards on how to navigate the menus. To view the menu
structure and for more detailed information regarding parameters not mentioned in
this User Guide refer to the Reference Guide.
4.1 Setting up the QPSK Input Menu (if Option Card fitted)
The QPSK Input Menu contains all the items that need to be set to achieve a signal
lock on an incoming QPSK Transport Stream.
Navigate to the Input Menu and select the following options:
• LNB freq - enter the desired LNB frequency in Gigahertz. This should be set
to match the external LNB.
• Sat freq - edit the satellite channel frequency
1 in Gigahertz. This sets up the
tuning frequency in the Receiver.
• Sym rate - enter the symbol rate. This sets up the incoming symbol rate of
the demodulator.
• Inner Code - select the correct inner code. This sets up the Forward Error
Correction (FEC) rate of the demodulator.
• LNB volt - select the correct LNB voltage output of the F-connector: Off,
13 V, 18 V.
• LNB 22 kHz – activate the LNB 22 kHz control signal to the LNB: On or Off.
• Spec inv – enable or disable the spectrum inversion on the incoming signal:
On, Off or Auto.
4.2 Setting up the ASI Input Menu (If Option Card fitted)
No setup is required for the ASI input module.
4.3 Setting Up a TV Service
The TV Service Menu contains the Service list for the currently tuned Transport
Stream. The list also contains a ServiceID item, which allows the user to select the
Service, simply by typing in the correct Service ID. By selecting a Service in the
Service list, the decoder will decode the selected Service.
)
1 The satellite frequency should be within the area of the LNB frequency
(±950 to 2150 MHz). If the frequency is outside this range, replace the LNB with a higher or lower ranging unit.
EN/LZT 790 0002/1 R1A 2011-02-21 13 (20