Zoom G5n Operation Manual page 28

Changing various settings
.
NOTE
When set to OFF , no patch or effect parameters will be saved automatically.
Note about switching patches
When AUTO SAVE is set to OFF , if you try to switch patches after changing any parameters, a
message will appear asking to save the parameter changes.
To save changes to parameters before switching patches, select YES. (→P21)
To discard changes to parameters before switching patches, select NO.
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