Results indicators

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BPV - A momentary indicator that responds when a bipolar violation occurs on the incoming signal applied to the Receive jack. B8ZS codes are not considered a BPV and will not activate this indicator when the test set is set to AMI mode.
Frame - A momentary indicator that responds when the test set encountered a disruption of the incoming frame pattern.
Pattern - A momentary indicator that responds to a disruption of the incoming pattern.
CRC - A momentary indicator that respond to a disruption of the incoming CRC. This indicator is applicable in only ESF mode.