The link below will take you to a series of support videos and .pdf's for Synergy.  The content covers the setup and use of the TeacherVUE interface (seating charts, attendance, student demographics, communication, etc.) and the setup and use of the Grade Book (assignment entries and scoring, reports, Report Card posting, etc.).

https://drive.google.com/open?id=0BzJwmL-llsjnfnBjZkI2LU0wdFhkRGRWT3RnRGgxNl9zZEstN0daUWR4SlpyTEo1blRodFk