If you are using the new Surveyor 2.0 interface then the name entry box is in the
Info Palette. Details can be found at
S20 Palettes.
Make sure that the Info Palette is open on the screen.
Select either the Free Move Tool or the Fine Adjustment Tool and select the object
Enter or change the name in the Info Palette name box, hit the Enter key.
If using the Surveyor Classic interface then nothing has changed**.
Open the correct tool Fly Out for the type of object
Click the "?" then click on the object to open its Properties window
Enter or change the name in the name box, hit the Enter key.
** The latest Trainz Plus build (don't know about TRS22) now has a "Save Changes" button at the bottom of the Properties Window in Surveyor Classic. After changing the name and pressing Enter, click the "Save Changes" button.