7. Effects *Non-GM1*
The following three effect blocks are available for use by both Level 1 and Level 2 XG
instruments:
Reverb
Chorus
Variation
The types available in each block are listed in the “XG Basic (Required) Effect List” included with
the XG Specifications.
• There is a risk of losing song data compatibility if you use optional types, optional
parameters, or optional effects. Avoid using, for example, “White Room” or “Pitch
Change.”
• If your data requires a distortion effect and is intended for playback on a Level 2 XG
instrument such as the Yamaha MU80, use a distortion program within the Variation
block rather than a distortion program contained within the Distortion (Insertion
Effect 1) block.
• If you use SysEx parameter change effect parameters, do not modify parameters 11 and
higher. (Use only parameters 1 - 10.) Details of the parameters are given in the “XG
Effect Parameter List” in the XG Specifications.
• In the Variation block, Variation Connection is initially set to INS (that is, in
F0H, 43H, 10H, 4CH, 02H, 01H, 5AH, ddH, F7H, the default setting is ddH=00H.)
In this state, a Variation effect can be used for only one part, so specify Variation Part
as needed. (In F0H, 43H, 10H, 4CH, 02H, 01H, 5BH, ddH, F7H, specify ddH.
By default, ddH=7FH i.e., OFF)
• When Variation Connection = INS, Control Change #94 Effect 4 Depth (Variation send)
is ignored.
• By setting Variation Connection to SYS, you can apply Variation effects to two
or more parts. (In F0H, 43H, 10H, 4CH, 02H, 01H, 5AH, ddH, F7H, set ddH=01H.)
In this case, Control Change #94 (Variation Send) will specify the send levels of each
part. Always set Variation Connection to SYS before setting values for Control Change
#94.
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