980 HDMI Protocol Analyzer User Guide
Commands for Pseudo-Random Noise Test
Note: Commands are not case sensitive.
Command
Description
PRNG:STOP
Stop pseudo-random noise test.
PRNG:STAT
Returns the test status including
running or done, frames analyzed,
errors detected, etc.
Note: The commands are not case sensitive.
To Run the Pseudo-Random Noise (PRN) test from the command line:
1. Set the resolution using the following command (e.g. 720p60 at 24 bit deep color):
prng:pnst 720p60c24
2. Specify the number of errors you wish to see detailed information on.
#p-scope>prng:mxer 100
prng:mxer 100
3. Initiate the pseudo-random noise test.
#p-scope>prng:pnau
prng:pnau
4. Stop the pseudo-random noise test:
#p-scope>prng:stop
prng:stop
5. Get statistics on errors that occurred.
#p-scope>prng:stat
prng:stat
pdax: stopped
frames: 1377 threshold 0
errors: 0. threshold 100
6. Retrieve the number of errors encountered during the test.
#p-scope>prng:nerr
prng:nerr
0
#p-scope>prng:errq
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Syntax
PRNG:STOP
PRNG:STAT
Rev. A1
Command Example
To stop a pseudo-random noise
test:
> PRNG:STOP
To obtain the test status:
> PRNG:STAT
December 19, 2012
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