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The credit card machines are probably set up to prompt the waiter for a tip. This is a common feature on POS systems, regardless of whether its sold in USA or

The credit card machines are probably set up to prompt the waiter for a tip. This is a common feature on POS systems, regardless of whether its sold in USA or Turkey.

Symbiote 7y ago
Naturally all the machines support it, but it's up to the owner of the business whether to enable that feature or not.
- fit2rule 7y ago
  Many don't even bother to turn the feature off ..