Yamaha TG500 Owner's Manual page 264

Appendix
252 EFFECTS
The "Cascade" effects actually include two effects connected in a cascade
configuration. Effect number 33 (Flg
flanger and reverb.
Cascade
IN
effect A
The "Dual" effects include two effects connected in parallel.
Dual
effect A
IN
Dual
effect B
Clearly, the possibilities for combining effect modes with effect types
allows a large variety of effect system configurations. Further versatility is
provided by a range of parameters that allow the effect signals to be combined
and mixed in a number of ways. The effect signal flow diagrams provided in
the following section should help you understand the effect signal flow and
how the various effect parameter function. Since the signal flow is somewhat
different in the normal voice mode and the other modes (drum voice, perform-
ance, and song), different sets of flow diagrams are provided.
Rev), for example, includes cascaded
Cascade
OUT
effect B
OUT