* "Sampling" Key: To start sampling, if you want to stop sampling, touch anywhere
on the screen to end it.
2. Usage for Each Function Key
"Settings" key is used to open a new menu, to set various parameters and the
desired operation, or to enter corresponding interface when you need to adjust
parameters or process waveform.
Menu will display as follows after you press "Settings" key:
Menu Displayed After Pressing "Settings" Key
Left:
基本参数：
"Basic Parameters"
脉冲设置：
"Pulse Settings"
速度设置：
"Speed Settings"
电缆测速：
"Cable Speed"
波形处理：
"Waveform Processing"
时间设置：
"Time Setting"
返回：
"Exit"
Right:
采样方式：
Sampling mode
采样频率
: Sampling frequency
电波速度
:Electrical wave
滤波方式
: Filter mode
移动选择
Moves selection
