For a few years now Roland has been producing instruments like the BK7, BK5 and now their new flagship arranger – the BK9. BK indicates the instrument is a “Backing Keyboard” and this is the market that is ideally suited for this instrument. The magic of the Roland BK-9 76-key arranger keyboard is how fluidly it can fill in the holes in your musical vision, helping you go from inspiration to finished production amazingly fast. The first think you will notice about the BK9 is the 76-note keyboard and super lightweight construction. Dual LCD screens give you a fast, easy workflow, making it simple to complete complex projects. And while you already expect great sounds from Roland, the BK-9 exceeds expectations by including 22 SuperNATURAL sounds for unprecedented realism.
According to several user reviews, they have praised a Roland BK-9 for the over 1,700 sounds and 70 drum kits, with 22 acclaimed SuperNATURAL sounds; Five multi-effects engines let you add just the right vibe to your song, with dedicated effects for final mastering too; Produce, record, and accompany your own playing – from a self-contained, portable keyboard. Also, some users have complained it for the menus run deep, are not intuitive, at least to me, and are useless for making on the fly changes during live playing; There are no built-in speakers.
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To restoring the Roland BK-9 to it’s factory settings, first press the MENU button, select the “Factory Reset” entry by rotate the dial and then push the dial. When a message appears, rotate the dial to select “YES”, then push the dial to start the Factory Reset operation. The Factory Reset procedure is complete.
Warning! This procedure will return all of the settings to the values when the Roland BK-9 was shipped from the factory. Do not use this function unless you are certain that you want to do this. Hopefully the article of “Resetting the Roland BK-9 Backing Keyboard” can help you.
Reference: Roland BK-9 manual