Step 1: Click on the MPrice hotkey or Press the "Shift + F7" key on the Keyboard.

Step 2: Select "MPrice" Type by clicking on the "Select" button or Pressing Enter key.

Step 3: Scan Item's Barcode on Barcode's Textbox.

Step 4: Repeat steps 1 to 3 for other items that will also be using MPrice.

Step 5: Once confirm, continue with the transaction and proceed with payment when complete.