Explain how to add special symbols such as Φ, °(degree), X(vs), ±(plus and minus) to the dimensions you created.
[1] To insert a special symbol directly, double-click the dimensions to move the cursor to the entry on the Properties dialog.
(Dimension properties [Text override] etc.)

[2] Click the target symbol from the [Common Symbols] list on the right side of the dialog.
[3] If you want to use another symbol, insert ...Choose from and use it.
CA-035
[4] Direct hand entry is also possible.
Enter %c, %d, %x, and %p directly to convert the code.
%c=Φ, %d=°, %x=X, %p=±
2-, 2x, depth, penetrate, penetrate, pass, (square), etc. Please enter the number and depth, any symbols and characters directly.