When the foreign dwg drawing (not created using AutoCAD or HyDrawCAD) is opened in HyDraw CAD, then following are recommended for using HyDraw Connection lines and Symbols.
HyDraw CAD uses
DASHED Linetype for Drain and Control connection lines.
PHANTOM Linetype for Envelope.
To make the Linetype per HyDraw, follow the given steps:
Type LINETYPE in the Command Line.
The Linetype Manager dialog displays.
2. Select DASHED and change the Global scale factor to-
0.125 for Inch
3. Click Load.
The Linetype Manager dialog displays.
4. Select the DASHED linetype from the HyDraw.lin file.
5. Click OK.
The Linetypes - Reloaded Linetypes dialog displays.
6. Select Reload the linetype, DASHED.
7. Type REGEN in the Command line.
Repeat the same process for PHANTOM linetype.