According to some people I've spoken to, yes, an EMP jammer will still work on old-school gaming machines. However, if there are no coins in the hopper, you're not going to gain anything from it.
Whatever the case may be, what determines when a slot machine will payout?
Return to Player (RTP) is the factor that decides how much the slot pays out. If the slot has an RTP of 96%, then for every $100 that is gambled, the slot will payout out $96.
By the way, how do you cheat on a slot machine?
Equal, how does a slot machine really work?
Slot machines contain random number generators that can generate thousands of numbers per second, each of which is associated with a different combination of symbols. Whether you win or lose is determined by the random number generated in the exact instant you activate each play—if it matches a payline, you win.
Can a magnet make a slot machine hit?
We often get asked how to cheat a slot machine with a magnet. Let's get one thing clear: it's not actually possible to cheat modern day slot machines with a magnet, since they're all programmed by computer software and aren't magnetic. ... Cheaters would then remove the magnet and claim the payout.