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.
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