![](data:image/png;base64,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)
附录
YC88/YC73 使用说明书
53
即便打开乐器的电源, LCD也
未显示任何内容。
“Display Lights” → “LCD SW”设置为
“Off”。
将“LCD SW”设置为 “On”(第39页)。
“Display Lights” → “LCD Contrast”的
值设置的过低。
在“LCD Contrast”中调整对比度 (第39
页)。
事项 疑似原因 解决方法
appendix.fm Page 53 Wednesday, November 11, 2020 4:27 PM