Direct Span Entry
Direct entry is intended for use when replacing software or hardware
and it is not convenient to perform an initial span at that time.
select P68
press "ENTER"
[P68 0] displayed
press "1"
press "ENTER"
[P68 1] displayed
press "ENTER"
[Pc 0.] displayed e.g. value after a P99 reset
enter the recorded span reference count of the previous span (#####)
press "ENTER"
[SC #####] displayed, new span count, entry complete
PL-516 42