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The easiest way to set this is through the uDemo:
For setting Visa:
Click on "Save Terminal Data"
int the TLV box add tag 9F660480004000 to the end of the TLV group
Execute the command
Save terminal data command saves the default TLV values in group 0
For setting Master card:
click "save configuration group"
Add the tag FFFC0101 to the end of the TLV settings
execute the command
After applying these settings, your contactless terminal should only read MSD cards.
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