It is possible to change default settings for Direct PC, if you find the necessity of changing parameters of remote desktop connection annoying. After changing settings, every connection will be configured accordingly.
Solution:
- In the menu Tools choose Options
2. Choose Direct PC -> General from the tree at the left sife 
- At the right side of the window define new settings, which will be remembered and save the changes by clicking OK.
After that, new settings will be always used during Direct PC connection.