On the home page of boot,press the 【Settings】button to enter the settings interface;
Press the▲▼button move to“System setting”;Press the【Enter】button to enter;
Press the【Enter】button to the collect points time;
Press ▲▼ button to adjust the value of number;
After finishing setting,press the power-off button to exit.
Note: this function is used for fixed point, length, width and mountain area measurement, and manual distance measurement. It is used for measuring interface. Click【Enter】button to take a countdown. It is independent of other survey collection points.