Cisco DNCS System Release 2.7 3.7 4.2 Guía De Diseño

 

78-4001708-01 Rev B 

29 

 

This section provides an overview diagram and field descriptions of the RF Status 

diagnostic screen. You can view this screen to obtain statistical information about the 

three RF channels on your system in real-time. 
Important! On the Explorer 8300C/HDC and 8240C/HDC DHCTs, the descriptions 

in the Current QAM section of the RF Status diagnostic screen always refer to the 

first tuner. Also, the information displayed in the Current QAM section field 

descriptions is not necessarily related to what is displayed on the main TV screen or 

the PIP. To view the status of the Second Tuner, go to the Second Tuner Status 

Diagnostic Screen (on page 68). 

 

By accessing this diagnostic screen, you can perform the following tasks: 

 

 

Confirm the power levels and frequencies of the FDC and the RDC 

 

Confirm the power levels and frequencies of the quadrature amplitude 

modulation (QAM) modulator 

 

Monitor the average and instantaneous errors of the FDC and the QAM 

 

 

Current FDC 

 

Current RDC 

 

Current QAM