Digilyzer DL1 User Manual
Digilyzer DL1 User Manual
Digilyzer DL1 User Manual
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Following errors are analyzed/visualized in the error indicator box:<br />
• Lock / unlock<br />
• Validity bit<br />
• Confidence bit (the received data eye pattern opening is less than<br />
half of a bit period, indicating a poor link not meeting specs)<br />
• Bi-phase mark coding error<br />
• Parity error<br />
• Carrier level below specification (for AES3 and S/PDIF input)<br />
NOTE The lock/unlock state is the only available error in the<br />
AdAT format.<br />
ppM Meter<br />
Many measurement functions include a PPM meter, displaying the<br />
measured level peak in bargraph form. The scaling details are:<br />
Channel A<br />
Channel B<br />
-60 dBF<br />
Basic Operation<br />
-10 dBF -3 dBF 0 dBF<br />
Fig 4-12, Bargraph markings<br />
NOTE • For signal levels lower than -60 dBF the vertical line<br />
marked above with -60 dBF remains displayed and<br />
changes for muted signals to three dots.<br />
• The number of full scale values causing clipping<br />
indication can be set in the SETUP menu (PPM<br />
OVER THRESH). By default it is set to three<br />
samples.<br />
25<br />
Signal<br />
clipping<br />
indication