The CP5 is one of three recent Yamaha stage pianos that use Spectral Component Modeling (SCM), a sound engine that starts with real piano samples and models various stages in the sound-production chain. Like the CP1, the CP5 gives you the choice of CFIIIS or S6B concert grand Voices. Unlike the CP1, the CP5 offers just one version of each, but you’d be hard pressed to find a situation in which these presets wouldn’t work. This model, like many of the Yamaha models, is lightweight enough that the user is able to transport it on their own and has a sleek industrial look with the model being solid enough that it feels like an actual acoustic piano.
According to several user reviews, they have praised a Yamaha CP5 for the excellent electric piano emulation; Many options for customization; Terrific keyboard action; Vacuum-fluorescent display; Processes microphone signals. Also, some users have complained it for no modulation wheel; Complex program selection; Grand piano samples could be longer; Rather expensive.
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To Restoring Initial Settings your Yamaha CP5, first press the [UTILITY] button and navigate to the “PAGE 13” by using the [C] button. Press [KNOB 6] to perform FactSet operation. When asked to confirm that you wish to proceed, press [KNOB 1] to go ahead with the initialization.
Warning! When you perform FactSet operation, all Performance data, all User Songs, and system settings within User Memory will be reset to the default condition. Be sure that you want to do this. This procedure also applies to the Yamaha CP50 unit. Hopefully the article of “Restoring Initial Settings your Yamaha CP5 Stage Piano” can help you.
Reference: Yamaha CP5 manual