**Please take notes: Only Linux/Ubuntu OS can support this feature.


Step 1: Login into the counter.


Step 2: Click on and find and select theicon, or click on "Shift + F12" on the keyboard to open the Local Settings.


Step 3: Navigate to the "Font & Other" tab



Step 4: Select "Credit Card Terminal Type" with "iCT220". Insert the serial port in "Credit Card Terminal Port". 




Step 5: Once confirmed, click on.