The CTK-520L was the first model to feature the Key Lighting function with red lights that illuminated the keys themselves (white and black alike) on a standard keyboard approximately the same size as a piano’s, using the lights to guide the user to the keys they should press in order ...
Casio then entered the realm of digital pianos and keyboards. This included theirCelviano AP-7furniture-style digital piano in 1991, and theCTK-520Lkeyboard in 1996, which was the first keyboard to incorporate light-up keys. The modern era of Casio instruments truly began in the2000s. ThePri...
How do you turn off the key lights on a Casio CTK-520L? it has no key light button. The manual is not available online and a Google search come up dry.
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