Testing accuracy of analyzer – Quantum Data 802BT User Manual

Page 130

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120

Chapter 8

Analyzing Digital Sources and Cables

6. Press and release the

B

key to analyze the number of pixel errors detected per color

component of the received HDMI/DVI signal on the LCD (see example below).

To stop the analysis, press and release the

B

key again. The light on the key

extinguishes and the analysis stops.

7. Press and release the

ACS

key to analyze pixel error rate (in errors per billion) and

number of pixels measured (in billions) in the received HDMI/DVI signal on the LCD

(see example below).

Note: When the number of pixel errors becomes very large, the text “Very high” is

displayed in the bottom row of the LCD (replacing the numbers).

To stop the analysis, press and release the

ACS

key again. The light on the key

extinguishes and the analysis stops.

8. Press and release the

DCS

key to view the expected and measured values for the first

pixel error detected from the received HDMI/DVI signal (see example below).

To stop the analysis, press and release the

DCS

key again. The light on the key

extinguishes and the analysis stops.

9. To test the cable at a different frequency, return to step 4.

Testing accuracy of analyzer

You can verify the analyzer’s ability to correctly analyze pseudo-random noise.

The procedures below provide instructions for testing the accuracy of the analyzer through

the front panel. Note that you can also perform these procedures through the command

line. For procedures using the command line refer to

Testing the analyzer

” on page 134.

To verify the analyzer’s pseudo-random noise analysis capability:

1. Connect the HDMI/DVI Tx connector to an HDMI/DVI display.

2. Using the

Format

knob, select an appropriate format for the connected HDMI/DVI

display.

R: G: B:
0 21 0

PER: pels/billion
4.255 0.88

original: 40018C
1st error: FFFFFF

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