1. Open the NFC Forum Analog test suite in MPManager 3
2. Open the Ixit configuration tab in the ICS/IXIT Configuration menu
3. In part 5 : Analog Information for Testing Universal and Reader Devices,
write A; B or C depending on the category of the DUT you are using. The categories are described in the NFC Forum specification and depends on the size of the NFC Coil of your DUT.