YAMAHA FSR-E423 DIGITAL KEYBOARD PSR-E423 Owner's Manual

About this manual

This document provides the MIDI implementation details for the Yamaha PSR‑E423 digital keyboard. It describes how the instrument behaves as a 16‑channel multi‑timbral tone generator and which MIDI messages affect panel voices, auto‑accompaniment, and songs.

The chart includes tables of control change numbers, system exclusive messages for master volume, master tuning, reverb and chorus types, as well as an effect map that shows the correspondence between effect type numbers and their display names.

What's inside

• MIDI Implementation Chart
• MIDI Data Format
• Effect Map
• System Exclusive Messages
• Local ON/OFF

Specifications

Frequently asked questions

How many MIDI channels does the PSR‑E423 support?

It functions as a 16‑channel multi‑timbral tone generator.

Which MIDI message restores all default settings?

The system exclusive message restores all default settings except the Master Tuning.

How can the master volume be changed via MIDI?

By sending the Universal System Exclusive message.

What is the range for Program Change numbers?

Program Change numbers range from 0 to 127.