Quantum Data 881 User Manual page 1053

In the Outline1 version, the two diagonal lines are removed and short marker lines are
added to the border lines near to where the cross lines meet the border lines. The markers
appear at both sides of the cross lines. The distance between the marker lines and the
cross lines is the greater of either two (2) pixels or one (1) millimeter.
In the Outline2 version, the two diagonal lines are removed and short marker lines are
added to the corners, and where cross lines meet and end.
882 Video Test Instrument User Guide (Rev A.35) 615