dope!

Version up is no charge.

　MPC has remembered that it enters a password once.

　It is not lost even if it rewrites OS.

　It is not lost even if it rewrites to AKAI original OS, for example, Ver.2.10

Example.

NEW OS V1.00 ==> NEW OS V1.01~x.xx ( A password is unnecessary. )

NEW OS V1.00 ==> V2.10 ==>NEW OS V1.00 ( A password is unnecessary. )

NEW OS V1.00 ==> V3.05 ==>NEW OS V1.00 ( A password is unnecessary. )

NEW OS V1.xx ==> NEW OS V1.00 ( A password is unnecessary. )