[SUITABLE CROPS]: Ideal for Paddy, Wheat, Maize, and Mustard Seed (Gehun, Makka, Dhaan, Sarso). For other items, please contact Customer Care. [USAGE WARNING]: Do not press the button when the machine is empty or without a sample. Pressing the button without a sample may result in random readings. Please ignore such readings. [CALIBRATION]: Each machine is calibrated using the Oven Method as per IS:8824, 1978 standards. [READING DISCREPANCIES]: If the reading does not match your existing machine, it may be due to electronic aging. Verify readings using a government-recognized Oven Method. [DISPLAY STABILITY]: The display should stabilize within 3 to 5 seconds after pressing the switch. If there is random variation, please contact the company. [POWER OPERATION]: The machine does not have On/Off buttons. It powers on when you press one of the buttons for seeds (buttons 1-4). [MAINTENANCE]: After use, clean the machine, remove the batteries, and store it in the provided bag. [CUSTOMER SUPPORT]: For any queries,