Checkline DFX-7 - Manual (Page 39)

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3.21 Top & Bottom End Caps
The top & bottom end panels are where all connections are made to the DFX-7. The
diagram above shows the layout and description of the connectors:
Transducer Connectors
Refer to Diagram: The transducer connectors, and battery cover/probe zero disk are
located on the DFX-7’s top end cap. The transducer connectors are of type Lemo
“00”. Note: There is no polarity associated with connecting the transducer to the
DFX-7
.
Probe Zero Disk & Battery Cover
Refer 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 cover
when replacing the batteries (3 AA cells). When performing a manual probe zero
function, simply place the transducer on disk making firm contact. Important: Be
sure 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 the
unit in a stand alone battery charger.
RS-232 Connector
Refer to Diagram: The RS-232 connector, located on the bottom end cap, is a 2 pin
female Lemo connector. It is designed to connect directly from the DFX-7 to a
standard AT serial port on a PC. The cable supplied with the DFX-7 is a Lemo to 9
pin serial cable. Note: This connector is also used to upgrade the DFX-7 with the
latest version of firmware.
USB Serial to USB Converter Cable
A converter cable can be attached to the 9 pin serial cable in needed (part no. N-402-
0510).