This command jumps to a PGC in the system space which can be one of the following:

First-Play PGC.
Title menu in the Video Manager.
Entry PGC in the Video Manager.
Root menu of a Video Title Set.
Subpicture menu of a Video Title Set.
Audio menu of a Video Title Set.
Angle menu of a Video Title Set.
Chapter menu of a Video Title Set.

JumpSS can be present only in the Video Manager (VMG) domain, the First-Play (FP) domain, and the Video Title Set Menu (VTSM) domain.

Jump to PGC in System Space
JumpSS   VTS    First-Play PGC Title Menu Root Menu Subpicture Menu Audio Menu Angle Menu Chapter Menu PGC in Video Manager
DVD Command	Hex Encoding
JumpSS VTS1:Root Menu	30 06 00 01 01 83 00 00

This command can be combined with the Compare GPRM operations for conditional branching. When combining, this command is executed only if the result of the comparison is true.

1) Compare to another GPRM register and JumpSS
2) Compare to another SPRM register and JumpSS