Chapter 23 STB Service

23.3.3 DVBT Modulation Settings

You can view and configure DVBT (Digital Video Broadcasting – Terrestrial) modulation settings for a device in the Modulation screen.

1Select a registered device in the Device List window and click Data Model > Device > Services > STBService.

2Click a number and Components.

3Click FrontEnd.

4Click DVBT > Modulation to display the screen.

Figure 392 TR-135: STBService: Components: DVBT Modulation

The following table describes the fields in this screen. Refer to Section 11.2.4 on page 132 for other field descriptions.

Table 226 TR-135: STBService: Components: DVBT Modulation

PARAMETER NAME

VALUE

Frequency

Indicates the current frequency in kHz.

 

 

ChannelBandwidth

Indicates the channel bandwidth in use.

 

 

Constellation

Indicates the current constellation in use.

 

 

HierarchicalInformatio

Hierarchical how noise-immune the High Priority Modulation is.

n

 

 

 

CodeRateHP

Indicates the current HP code rate in use.

 

 

CodeRateLP

Indicates the current LP code rate in use.

 

 

GuardInterval

Indicates the current guard interval in use.

 

 

TransmissionMode

Indicates the number of carriers in an OFDM (Orthogonal frequency-division

 

multiplexing) frame.

 

 

SNR

This displays the signal-to-noise ratio.

 

 

BER

This displays the bit error rate.

 

 

CBER

This displays the corrected bit error rate.

 

 

Locked

Indicates whether or not the tuner is locked to a specific frequency.

 

 

 

421

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