ATX Chromadigm-HS Panduan Memulai Cepat - Halaman 14

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CHAPTER 4:

MODULE SET-UP

34 dBmV – [10*log

Therefore with 110 of all QAM channel loading, the correct rear panel RF input level is 13.6 dBmV at the input of both the

BC and NC ports.

In most All-QAM scenarios it is also assumed that there may be a few analog pilot carriers at 18 dBmV. However, due to

their limited number they do not contribute much to the total power.

4.2

Configuring the CHS/CHQ Transmitter

The set-up, configuration and verifying the RF drive level for the CHS/CHQ transmitter requires the operator to become

familiar with the front panel configuration menus. Refer to the ATX Document No: 2000010, Chromadigm Chassis – User

Interface as a supplement to the following procedures which will reference the associated display parameters.

The following CHS/CHQ menu tree will assist in navigating the front panel display.

4-2

(110)] = 34 dBmV -20.4 = 13.6 dBmV

Chromadigm Transmitter (CHS/CHQ) Menu Tree

Chromadigm CHS/CHQ Transmitter – Quick Start Guide