Howdy, Yes, leaving the AC adapter plugged in while changing batteries will retain the sounds, (at least it does in my 101s). Don't forget to change the APO switch into a "bank select" so you can access the other 16 sounds that the carteidge will hold. Rig [Non-text portions of this message have been removed]
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Re: internal batterys??
2011-09-13 by bill bigrig