一、User instructions

1、Power on screen: power on, display "power on" screen

2、Running screen: power on and start up. After three seconds, jump to the "running" screen

（1）Nine buttons:

a、START/STOP switch:

      Press and hold the "start-stop switch" button, ultrasonic wave, "start-stop switch" button becomes green;

      Loosen the "start-stop switch" button, the ultrasonic stops, and the "start-stop switch" button turns red;

b、RESET button:

       When the device is stopped, press the "reset" button to reset the device and remove the alarm.

c、Timer ON/OFF: when the device is stopped,

      Press the "timing switch" button, the "timing switch" button turns green, and the timing function is on;

      Press the "timing switch" button again, the "timing switch" button turns red, and the timing function is closed;

d、Increase amplitude: when the device is stopped, press the "increase amplitude" button to increase the amplitude by 2%.

e、Decrease amplitude: when the device is stopped, press the "decrease amplitude" button to reduce the amplitude by 2%.

      The amplitude is set from 10% to 100%.

f、Increase timing time:

     When the device is stopped, press the "increase timing time" button to increase timing time by 0.1 seconds.

g、Reduce timing time:

      When the device is stopped, press the "reduce timing time" button to reduce the timing time by 0.1 seconds: the setting range of timing time is 0.1 seconds to 9.9 seconds;

h、Increase cooling time:

      When the device is stopped, press the "increase cooling time" button to increase the cooling time by 0.1 seconds.

i、Reduce cooling time:

     When the device is stopped, press the "reduce cooling time" button to reduce the cooling time by 0.1 seconds.

     The cooling time ranges from 0.1 SEC to 9.9 SEC.

（2）Five texts: Freq, Power, Amp, Timer and Cool.

（3）An ALARM indicator:

          Unconnected transducers, abnormal frequencies and power overloads will trigger an alarm, and the "alarm" indicator will turn yellow.

           And twinkle.

The data for setting amplitude, timing time and cooling time and the status of the timing switch are automatically modified

Save, the next boot still shows the saved data and status.

3、Automatic screen saver function: when the touch screen is not operated for 120 seconds, the backlight of the touch screen is automatically turned off.