The links below contain the instructions for assembly of the JLH-831 dual channel
octave and semitone voltage switcher. You will find the calibration instructions in a
separate document. See the instructions page. You may also want to check out the
theory of operations document to better understand the circuit. Please e-mail me
Larry Hendry if you find any errors or have any comments or questions about this
documentation. Of course, you can right click and use "save target as" to download
these files.

MS Word - Instructions to assemble JLH-831 voltage switch

Text only - Instructions to assemble JLH-831 voltage switch

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