It won't let me edit the OP anymore, but:
To fix the timers, you can do the following:
1.) Press MENU - 7
2.) Click "Timers" - Look for any timer with the "HD" silhouette
3.) Click the timer - Click "Options"
4.) Change "Recording Preference" to "SD" - Click "Save"
5.) Press "View Live TV" (on your remote)
6.) Repeat steps.
Note: Some timers may automatically do this.
To fix the timers, you can do the following:
1.) Press MENU - 7
2.) Click "Timers" - Look for any timer with the "HD" silhouette
3.) Click the timer - Click "Options"
4.) Change "Recording Preference" to "SD" - Click "Save"
5.) Press "View Live TV" (on your remote)
6.) Repeat steps.
Note: Some timers may automatically do this.