Different mechanical keyboards have different ways to switch lights on and off. FN key+← can turn on the flashing mode of the mechanical keyboard backlight, FN key +→ can adjust the flashing speed, N key+↑ can increase the brightness of the light, and N key+↓ can decrease the brightness of the light.

Key adjustment 2.

There is also a mechanical keyboard to switch the light of the mechanical keyboard through FN key +F 1 key ~F 10 key. FN key+← key and FN key +→ key are used to adjust the brightness of the light, and FN key +F key can also add some special effects.