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Transmission option, Spectral pol option, Centre frequency option – TANDBERG E5714 User Manual

Page 165: If output frequency, Bit-rate (188), Bit-rate (204), Ofdm s/w release

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Operating the Equipment Locally

Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder

Page 4-87

ST.TM.E10076.3

Transmission Option

To access the Transmission option, press the Transmission softkey in the

OFDM Modulator Menu

.

Table 4.108: Transmission Options

Selected Option

Description

2k Mode

OFDM Modulator uses 2k carriers

8k Mode

OFDM Modulator uses 8k carriers

Spectral Pol Option

To access the Spectral Pol option, press the Spectral Pol softkey in the

OFDM Modulator Menu

.

Table 4.109: Spectral Polarity Options

Selected Option

Description

High Side IF

The spectrum is inverted, thus allowing a subsequent
upconverter LO to be on the high side of the spectrum.

Low Side IF

The spectrum is not inverted, thus allowing a subsequent
upconverter LO to be on the low side of the spectrum.

Centre Frequency Option

To access the Centre Frequency option press the Centre Frequency

softkey in the

OFDM Modulator Menu

. This is the centre frequency to be

put in the SI of the output transport stream.

Table 4.110: Centre Frequency Options

Valid Input Range

Description

Min:

0 MHz

Max:

4294.967295 MHz

IF Output Frequency

The IF output frequency is fixed at 70 MHz.

Bit-rate (188)

The Bit-rate (188) option value cannot be updated.

Bit-rate (204)

The Bit-rate (204) option value cannot be updated.

OFDM S/W Release

The OFDM S/W Release value cannot be updated. It is the version of the

software and firmware loaded on the OFDM modulator.

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