1. Insert the local power plug into the power socket, turn on the power, insert the controller plug into the socket, and the digital display of the controller will be zero.

2. Pull the switch to the automatic position, press the program controller, start button, and the machine starts running.

3. According to the experimental procedure, first add water to the pot, then add cement, place the pot on the fixed frame, and raise it to the fixed position.

4. Immediately start the machine and stir at low speed for 30 seconds. At the beginning of two 30 seconds, evenly add sand. Turn the machine to high speed for 30 seconds and stop mixing for 90 seconds. Within 15 seconds, use a rubber scraper to scrape the rubber sand on the blades and pot wall into the middle of the pot. Continue stirring at high speed for 60 seconds before stopping to prepare the test piece.

5. After the experiment is completed, the instrument should be wiped clean with a clean towel and covered with a protective cover to prevent dust.

6. Attention: When using a mixing pot, handle it gently and do not collide it randomly to avoid deformation of the mixing pot.