To trace connected:

1. Click on the Trace mode control and select the Trace Connected option.

   

2. Press on the Select "From" feature button. The command prompt reads: From: > Identify element.

   

3. Left-Click on a gas feature in the graphical view to identify the start feature for the Trace. The feature label appears in the "From" Feature display.

   

4. Press the Trace button. Features connected to the start feature are highlighted.