ZyXEL Communications Food Warmer vantage access User Manual

 Chapter 23 STB Service

Vantage Access User’s Guide

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 

 for 

other field descriptions. 

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

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.