HP 16550A User Reference page 121

The Listing Menu
Stop Measurement Field
Compare
When Compare is selected, a repetitive run is stopped when a comparison of
data in the Listing menu and data/criteria in the Reference listing of the
Compare menu matches an equality selection. The equality selection is set
from the Equal/Not Equal selection pop-up menu.
Equal The data and compare criteria in the Compare menu must be
equal to the data in the Listing menu.
Not Equal The data and compare criteria in the Compare menu must
not be equal to the data in the Listing menu.
Compare field Equality field
Equal / Not Equal Selection Menu
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