ANSWER：To avoid excessive humidity for piano, environmental humidity is the key to maintain a good state. Humidity has a great impact on piano. Relative humidity of 50-70% is ideal. Excessive high humidity will cause bad return of chord hammer. Tuning and tuning

ANSWER：Yes. When you use Nuendo Live and CL Extension software to record through CL devices, the CL console can only control one computer. If four CL devices are connected together, each CL device can control one computer.

ANSWER：On LS9, when you open the input path display, you can call the relevant jumper screen with the [SEL] key of each channel at will on the pop-up menu window. You can change the jumper as you need, and then you don't need to re-select the channel after clos

ANSWER：At present, the anti-counterfeiting system of Yamaha household audio-visual products is still in the trial stage of perfection, so only for 10 models of products, there is anti-counterfeiting on the outer packaging, and the Wechat scanning can identify th