B&K Precision 2516 - Manual - Manual (Page 4)

4
 Do not insert metal objects into any of the connectors.
WARNING
 Do not use any exposed metal BNC or banana plug connectors with the
instrument. Use only the insulated accessories supplied with the
instrument.
 Do not connect the USB cable while the instrument is not in use. Keep
the cable away from all probes and test leads.
 Always connect the probes or test leads to the instrument first before
connecting to any other device under test (DUT). To remove,
disconnect them from the DUT first before disconnecting from the
instrument.
 Do not operate the instrument in wet environments.
 For high voltage testing, keep the BNC connectors and the entire
instrument dry.
 Do not apply input voltages above the instrument and the probe’s
voltage rating.
CAUTION
 Always cover the DC power input and USB ports on the side of the
instrument with the rubber lid when not in used.
 Do not use any abrasive chemicals or volatile liquid when cleaning the
instrument. If using a cloth dampened with water, allow the instrument
to completely dry before reconnecting it.