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Chapter 23 STB Service
Vantage Access User’s Guide
421
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.
1 Select a registered device in the Device List window and click Data Model > Device >
Services > STBService.
2 Click a number and Components.
3 Click FrontEnd.
4 Click 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
n
Hierarchical how noise-immune the High Priority Modulation is.
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.