Yamaha Arius YDP-160/YDP-140 MIDI Data List

About this manual

This document serves as a technical reference for the Yamaha Arius YDP-160 and YDP-140 digital pianos. It provides detailed specifications on MIDI communication protocols, including Note On/Off events, Control Change messages, and Mode Messages required for external device integration.

The guide covers System Exclusive (SysEx) messaging standards, detailing formats for Universal Realtime messages, General MIDI mode activation, XG Standard parameter changes, and Digital Piano specific commands. It also includes tables mapping internal parameters like Master Tune, Reverb types, and Chorus effects to their corresponding MIDI addresses.

What's inside

• MIDI Data Format
• Control Change Messages
• Mode Messages
• Program Change
• System Exclusive Messages
• XG Standard Parameters
• Digital Piano MIDI Format
• Master Tuning
• Effect MIDI Map

Frequently asked questions

What happens if no MIDI signal is received for more than 400 milliseconds?

The instrument turns off the Damper, Sostenuto, and Soft effects for all channels and triggers an All Note Off.

How long does it take to execute the General MIDI Mode On message?

The system requires approximately 50ms to execute this message.