5 www.topdon.com Photo Accessory Name Description BENCH mode cable Connect the programmer and the engine to read engine or gearbox ECU (Connect engine ECU with the BENCH mode cable based on BENCH mode diagram). MCU Converter V1 Connect the programmer with MCU(chip soldering is required in this procedure). MCU Converter V2 Connect the programmer with MCU(chip soldering is required in this procedure). EEPROM chip adaptor Place the EEFROM chip onto the adaptor, and then plug it into the programmer socket. Benz infrared analog acquisition key To connect the programmer with the key lock, insert the key into the programmer for further key operations.