When you are repairing or checking a redemption games' operation, this ticket emulator will assist in checking the ticket output without having to dispense actual tickets. Simply plug the small ticket emulator in and it will illustrate all of the following functions; 1. The "power" indicator lights when the machine is receiving 12 volts, 2. The "notch" indicator light blinks every time a ticket is supposed to be dispensed and, 3. The "run" indicator lights when the ticket dispenser is connected to a logic signal.