Turbo wind. Optional deluxe headset. Microprocessor mechanism. Cue tone index search (in play mode). Recording Functions: Continuously Variable Backspacing; Record Protection; Activation/Review Functions: Audible Scan; Auto Rewind Scan; Auto Switch-Off; Cue Tone Index Search; Function—Play; Quick Erase; Search Forward/Skip; Search/Skip; Tone/Volume Controls; Turbo-Wind; Foot/Hand Controls: Three-Function Foot Control; Indicators/Warnings: LCD Tape Counter.