Oce COLOR SYSTEM 110 Operator's Manual page 247

Area Designation Type and Method
Trace
A line traced with the edit pen on the Editor is recognized
as an area.
1
Press the [Tracing] key, and then
the [Done] key.
2
Trace the area with the edit pen.
3
Press the [Tracing Width] key.
4
Select the tracing width.
5
Press the [Done] key.
Advanced
9-16
Mode
Designating Areas with the Edit Pen