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8.5.3
Invert the generated pattern
The digital NRZ format pattern can be inverted at the pattern generator output, by clicking the INVERT
PATTERN toggle button.
The pattern inversion status is represented by different colors of the buttons as follows:
•
Green – Indicates that the pattern is inverted.
•
Gray – Indicates that the pattern inversion is disabled.
•
Orange – Indicates that the inversion operation is currently in progress.
8.5.4
Enable / Disable pattern generation
The pattern generation for a channel can be started or stopped by clicking the ENABLE toggle buttons
under the corresponding channel section in the PPG tab. To apply the function on all channels, use the
ENABLE ALL button.
The channel enabling status of each channel is represented by different colors of the buttons as follows:
•
Green – Indicates that the pattern generation is enabled.
•
Gray – Indicates that the pattern generation is disabled.
•
Orange – Indicates that the operation is currently in progress.
Most functions are locked when the BERT is running the ED, bathtub scan, or eye scan. It is only
enabled to turn off the PPG or to stop the ED and the scans.
Quantifi Photonics Ltd.
Version
2.04
Bit Error Rate Tester | BERT 1005
55
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