Casio electronic musical keyboards were first manufactured in 1980 and continue to be made by Casio today. The original Casiotone line was abbreviated to CT in the mid-1980s but has continued to ***BUNDLED with a Stand and Class 2 Power Source Adapter***The CT-640 was Casio's first keyboard based on sampled sounds.SpecificationsYear Released Watch Manual Archives. Use this page to download a copy of CASIO watch manuals in PDF format. To download a PDF file, enter the four-digit (or three-digit) module number marked on the back cover of your watch. Sonic State:SynthSite:Casio CT-640 Specifications.Submitted by Justin Havu. Also on this page: links to other resources for the Casio CT-640. If you come up with anything cool, E-mail me. (Thanks to Justin Havu for this info.) and anonymous for the pic. Links for the Casio CT-640. Manuals. No Comments on How to set time on Casio B640WB. 1. In the Timekeeping Mode, press A. The seconds digits will start to flash, which indicates the setting screen. Where can I get a users Manual for Casio Keyboard CT-648? Casio also has an appendix and documentation on the MIDI standard on the Manuals page for the CTK-5000. Casio Ct-770 Manual English. Read/Download No matter where you are, the compact CTK-2090 turns each piece of music into a true sound Change to English notebook, mobilephone, computer, printer service manuals, schemas, HOHNER PSK50 EQUAL CASIO CT-640 SIMILAR MT-240, HOHNER Casio. MPN. CT640. eBay Product ID (ePID). Need to know how something works and you've lost your manual? Get some of the manuals here!