Status indicators

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T1 Pulses - The test set is receiving pulses at the receive jack. Frame pulses alone are not sufficient to activate this indicator. There must be pulses present in the payload field.
B8ZS - A B8ZS pulse pattern was detected on the incoming signal at the receive jack. Note that only certain patterns transmit B8ZS pulse patterns. The pattern must contain at least 8 consecutive zeroes before a B8ZS pattern is sent. The QRSS pattern will generate B8ZS while an idle T1 circuit transmitting all 1's will not.
Frame Sync - A frame sync pattern matches that specified in the setup screen on the test set.
Pattern Sync - The received pattern matches that specified in the setup screen on the test set