EXFO FTB-800 Series for FTB-1 - Manual (Page 455)

Test Functions
NetBlazer 445
Pointer Adjustment
Legend:
Description
When located at the end (right) of the sequence, indicates a
continuous repetition of the pointer sequence.
When located within the sequence, indicates a repetition of
pointers.
Regular pointer event or sequence.
Cancel event.
Special event like an extra cancel event (for example in
Periodic 87-3 with Cancel) or a missing event from the
Regular pointers with one missing pointer sequence.
Special event like add, double pointer, etc.
Indicates that the sequence is periodic with special event.