When you change the time span in the TV Guide, then this setting is not stored.

h4. Steps to Reproduce
1. Enter TV Guide
2. use "left/right" arrow buttons in the top right to change the time span
3. leave TV Guide
4. re-enter TV-Guide
5. your changes to the time span were not stored


h4. Additional Information
reported in forums. confirmed by infinityloop
http://forum.team-mediaportal.com/1-0-rc2-svn-builds-279/guide-does-not-remember-time-setting-43608/