TANDBERG E5714 DSNG Voyager, Reference Manual

Page: 173 / 314

Operating the Equipment Locally — Output Menu: Output Format = OFDM Modulator
Reference Guide: E57xx DSNG and DENG Voyager Encoder Page 4-95
ST.RE.E10076.3
Guard Interval Option
Access the Guard Interval option from the
OFDM Modulator Menu
.
Table 4.118: Guard Interval Options
Selected Option Description
1/32 OFDM Modulator uses 1/32 Guard Interval
1/16 OFDM Modulator uses 1/16 Guard Interval
1/8 OFDM Modulator uses 1/8 Guard Interval
1/4 OFDM Modulator uses 1/4 Guard Interval
FEC Rate Option
Access the FEC Rate option from the
OFDM Modulator Menu
.
Table 4.119: FEC Rate Options
Selected Option Description
1/2 OFDM Modulator uses 1/2 FEC Rate
2/3 OFDM Modulator uses 2/3 FEC Rate
3/4 OFDM Modulator uses 3/4 FEC Rate
5/6 OFDM Modulator uses 5/6 FEC Rate
7/8 OFDM Modulator uses 7/8 FEC Rate
Transmission Option
Access the Transmission option from the
OFDM Modulator Menu
.
Table 4.120: Transmission Options
Selected Option Description
2k Mode OFDM Modulator uses 2k carriers
8k Mode OFDM Modulator uses 8k carriers
Spectral Pol Option
Access the Spectral Pol option from the
OFDM Modulator Menu
.
Table 4.121: Spectral Polarity Options
Selected Option Description
High Side IF The spectrum is inverted, thus allowing a subsequent
up-converter LO to be on the high side of the spectrum.
Low Side IF The spectrum is not inverted, thus allowing a subsequent
up-converter LO to be on the low side of the spectrum.
Centre Frequency Option
Access the Centre Frequency option from the
OFDM Modulator Menu
. This
is the centre frequency to be put in the SI of the output transport stream.