B.Open the terminal in this path and enter the command sudo gedit driverparams.yaml, and
then enter the computer power-on password.
In this parameter table, only the following usually need to be modified Several parameters:
a.laser_period: repetition rate,
0 means 200KHZ;
1 means 340KHZ;
2 means 500KHZ;
3 means 750KHZ;
4 means 1MHZ;
b.data_frame: frame rate
0 means 5fps;