6.
音量设置：
工作模式下按下
SET
键
4
次，左下角显示
F4
，此时为音量设置状态，按左右键可调整音量大小。小喇叭后
面的括弧约多代表音量越大，小喇叭消失代表静音。
6. Volume setting:
In the working mode, press the SET button 4 times(F4). It is the volume setting state. Press the left and right
buttons to adjust the volume. The more parentheses behind the small speaker, the greater the volume, and the
disappearance of the small speaker represents mute.
7.
背光设置：
工作模式下按下
SET
键
5
次，左下角显示
F5
，此时为背光设置状态，按左右键可打开或关闭背光，
ON
代
表打开，
OFF
代表关闭。
7. Backlight setting:
Press the SET button 5 times in the working mode(F5). It is the backlight setting state. Press the left and right
buttons to turn the backlight on or off(ON and OFF)
