Programmable

Able to have the parameters changed by the user, especially in a computer controlled device.
Found on http://www.encyclo.co.uk/local/20447

programmable

Equipped with software that enables the user to create new sounds or other assignments by altering parameter settings and storing the new settings in memory. An individual control parameter is said to be programmable if its setting can be stored separately with each individual patch.
Found on http://www.encyclo.co.uk/local/22285

programmable

programmable An apparatus or an operation that is capable of being programmed.
Found on http://www.wordinfo.info/words/index/info/view_unit/2365/14
No exact match found