DFX-7 Ultrasonic Flaw Detector23The top & bottom end panels are where all connections are made to the DFX-7. Thediagram above shows the layout and description of the connectors:Transducer ConnectorsRefer to Diagram: The transducer connectors, and battery cover/probe zero disk arelocated on the DFX-7’s top end cap. The transducer connectors are of type LEMO“00”. A single element transducer must be plugged into the inside LEMO jack asillustrated above. Note: There is no polarity associated with connecting a dualelement transducer to the DFX-7.Probe Zero Disk & Battery CoverRefer to Diagram: The Battery cover is the large round disk shown in the diagram.Note: This same disk is also used as a probe zero disk. Simply remove the coverwhen replacing the batteries (3 AA cells). When performing a manual probe zerofunction, simply place the transducer on disk making firm contact. Important: Besure to follow the polarity labels located on the back label of the DFX-7. Note:Rechargeable batteries can be used however they must be recharged outside of theunit in a stand-alone battery charger.USB-C ConnectorRefer to Diagram: The USB-C connector, located on the bottom end cap, is a minitype C female connector. It is designed to connect directly from the DFX-7 to astandard USB type A port on a PC. The cable supplied with the DFX-7 is a USB typeC to a USB type A (pt# N-003-0330). Note: This connector is also used to upgradethe DFX-7 with the latest version of firmware.