Gramps, there's a manual located on your hard drive at ..Program Files\N3V\TS12\Extras\Documentation\TS12 Manual. Surveyor mode is discussed starting on page 81.
To place a loco or consist:
1. Launch TS12
2. Select Route
3. Click on a route from the list
4. Click on View Sessions
5. Click on Create Session
6. Click the Trains tab (or press F7 key). This will put you in the Vehicle mode to place individual locos or cars. The Consist mode lets you place pre-defined consists. You can toggle between the two mode by click the icons or pressing C or T keys.
7. Click on a loco in the list then click on the track to place it.
8. Repeat to place rolling stock.
9. Click Quick Drive (or press F2 key) to drive your train.
Bob Weber