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Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder Page 4-77
ST.TM.E10076.3
Table 4.84: FEC (Inner) Options
Selected Option Description
No conv. coding Cable channel does not use inner FEC rate.
1/2 Cable channel uses inner FEC rate of 1/2.
2/3 Cable channel uses inner FEC rate of 2/3.
3/4 Cable channel uses inner FEC rate of 3/4.
5/6 Cable channel uses inner FEC rate of 5/6.
7/8 Cable channel uses inner FEC rate of 7/8.
8/9 Cable channel uses inner FEC rate of 8/9.
Symbol Rate Option
To access the Symbol Rate option, press the Symbol Rate softkey in the
Delivery Descriptor Menu.
Table 4.85: Symbol Rate Options
Valid Input Range Description
Min: 0.4688 Msym/s
Max: 30.0000 Msym/s
Step Size: 0.0001 Msym/s
Symbol rate.
Changing the symbol rate affects the automatic Tx
bandwidth, video bit-rate and video resolution calculations.
4.11.7 Descriptor Type = Satellite
Frequency Option
See Frequency Option on page 4-73.
Modulation Type Option
To access the Modulation Type option, press the Modulation Type softkey
in the Delivery Descriptor Menu. This enables the type of modulation
used by the satellite transponder to be specified.
Table 4.86: Modulation Type Options
Selected Option Description
8PSK Satellite transponder uses 8PSK modulation.
16QAM Satellite transponder uses 16QAM modulation.
BPSK Satellite transponder uses BPSK modulation.
QPSK Satellite transponder uses QPSK modulation.
FEC (Inner) Option
To access the FEC (Inner) option, press the FEC (Inner) softkey in the
Delivery Descriptor Menu. This screen enables the inner FEC rate used
by the satellite transponder to be specified. See FEC (Inner) Option,
page 4-76 for further details.
Symbol Rate
See Symbol Rate Option on page 4-77.