Commonly seen aboard starships from the 22nd century all the way through the 24th century, the transporter console utilized three sliding controls (either manual levers or touch sensitive panels) to achieve transporter function. (ENT: "Broken Bow") As yet another security feature, the console allowed the operator to erect a force field around the transporter chamber. Prior to the introduction of biofilter technology, the console controlled the activation of the system's decontamination feature. (TOS: "The Naked Time" , TNG: "Violations" , "The Most Toys" , "Realm of Fear" , "Relics" )