B: Button mapping
键位映射是将一个按键映射到另一个不同按键上，可实现多个按键相同功能或多个按键相
互交换的功能。
Button mapping is to map a button to another button, so as to realize the same
function of several buttons or exchange functions of several buttons.
1.
设置
1.
Setting
A.
同时按下
HOME+
右键并松开，进入键位映射功能配置模式
A. Press the HOME+ Right button at the same time and release to enter the
button mapping function configuration mode.
B.
按一下需要映射的按键
B. Press the buttons that need to be mapped
C.
按一下目标映射的按键
C. Press the mapping button
D.
按一下
HOME
键，退出配置模式
D. Press the HOME button to exit the configuration mode.
比如先按
A
键，再按
B
键，即使得
A
键具有
B
键功能。
