They really want you to use the debit card portion of your card. I believe it involves the retailer paying lower fees. It's why every terminal is trying to funnel us into it, and doesn't have an obvious way to choose credit half the time.
Yeah, I get that. But 100% of the time, I'm swiping a credit card—so there is no debit portion. And I can't believe they don't know this, and still prompt to choose credit vs debit.