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Modulation type option, Hierarchy option, Fec (hp) and fec (lp) options – TANDBERG E5714 User Manual

Page 152

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Operating the Equipment Locally

Page 4-74

Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder

ST.TM.E10076.3

NOTE…
This option is status only unless Manual has been selected in the Band Plan option.

Table 4.75: Bandwidth Options

Selected Option

Description

6 MHz

Terrestrial transmitter channel spacing is 6 MHz.

7 MHz

Terrestrial transmitter channel spacing is 7 MHz.

8 MHz

Terrestrial transmitter channel spacing is 8 MHz.

10 MHz

Terrestrial transmitter channel spacing is 10 MHz.

12 MHz

Terrestrial transmitter channel spacing is 12 MHz.

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 to be specified.

Table 4.76: Modulation Type Options

Selected Option

Description

QPSK

Terrestrial transmitter uses QPSK modulation.

16-QAM

Terrestrial transmitter uses 16QAM modulation.

64-QAM

Terrestrial transmitter uses 64QAM modulation.

Hierarchy Option

To access the Hierarchy option, press the Hierarchy softkey in the
Delivery Descriptor

Menu. This screen enables the hierarchy of the

terrestrial transmission to be specified.

Table 4.77: Hierarchy Options

Selected Option

Description

Non-Hierarchical

Terrestrial transmission is not hierarchical.

Alpha=1

Terrestrial transmission is hierarchical, and the

a value = 1.

Alpha=2

Terrestrial transmission is hierarchical, and the

a value = 2.

Alpha=4

Terrestrial transmission is hierarchical, and the

a value = 4.

FEC (HP) and FEC (LP) Options

To access the FEC (HP) or the FEC (LP) option, press the FEC (HP) or

FEC (LP) softkey in the Delivery Descriptor Menu. These screens

enable the inner FEC schemes used by the terrestrial transmitter to be

specified.

NOTE…
If the Hierarchy option is set to Non-Hierarchical, then only the FEC Rate parameter is used and

shown on the display.

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