Yamaha KB-290/291 Electronic Keyboard User Manual

About this manual

This document is the user manual for the Yamaha KB-290/291 electronic keyboard. It details the instrument's features, including GM System Level 1 and XGlite compatibility, stereo sampled piano sounds, and various performance functions like dual tones and auto-accompaniment. The guide explains how to connect power and audio devices, operate the panel controls, and utilize the built-in recording capabilities. This manual is written in Chinese.

What's inside

• Precautions
• About this manual
• Included accessories
• Format and functions
• Panel controls and functions
• Display
• Settings
• Power requirements
• Connecting headphones and external audio devices
• Connecting pedals

Frequently asked questions

What is the voltage requirement for the KB-290/291 keyboard?

Only use the specified voltage printed on the instrument's label.

What is the operating temperature range for the KB-290/291 keyboard?

The operating temperature range is 5°C to 40°C (41°F to 104°F).