Operating Precautions
6
About Handling of Cords and Fixtures
• For safety reasons, disconnect the power cord when the instrument is not used.To avoid
damaging the power cord, grasp the plug, not the cord, when unplugging it from the
power outlet.
• Do not apply a voltage to the measurement terminals. Doing so may damage the instru-
ment.
• When disconnecting the BNC connector, be sure to release the lock before pulling off the
connector. Forcibly pulling the connector without releasing the lock, or pulling on the
cable, can damage the connector.
• To avoid breaking the cables or probes, do not bend or pull them.
• Avoid stepping on or pinching cables, which could damage the cable insulation.
• Keep the cables well away from heat sources, as bare conductors could be exposed if
the insulation melts.Keep in mind that, in some cases, conductors to be measured may
be hot.
• Use only the specified connection cables. Using a non-specified cable may result in
incorrect measurements due to poor connection or other reasons.
• Before using a fixture or the like, read the instruction manual supplied with the product to
be used.
Before Connecting EXT I/O
To avoid electric shock or damage to the equipment, always observe the following
precautions when connecting to the EXT I/O connector.
• Always turn off the power to the instrument and to any devices to be connected
before making connections.
• Be careful to avoid exceeding the ratings of external terminals.(p. 377)
• During operation, a wire becoming dislocated and contacting another conductive
object can be serious hazard. Make sure that connections are secure and use
screws to secure the external connectors.
• Properly insulate any devices and mechanisms to be connected to the EXT I/O con-
nector.
• The ISO_5V pin of the EXT I/O connector is a 5V power output. Do not apply exter-
nal power to this pin.
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