SELF-TEST
Before measuring any hazardous voltage or current, run the *TST? query from the remote interface,
and read the result to verify that the instrument is performing properly. The *TST? query is a self-test
that returns +0 if the instrument passes and +1 if the instrument fails. You can also perform this
query from the front panel by pressing
[Utility]
>
Self Test
>
Quick Test
. If this self-test fails, make
sure that the instrument is repaired and passes the self-test before continuing.
INCASEOFDAMAGE
Instruments that appear damaged or defective should be made inoperative and secured against unin-
tended operation until they can be repaired by qualified service personnel.
This is a sensitive measurement apparatus by design and may have some performance loss when
exposed to ambient continuous electromagnetic phenomenon. Measurement Considerations – use
shielded or twisted cable, use common mode choke, ferrite clamp and damping resistor before the
input to DAQ970A.
CLEANING
To prevent electrical shock, disconnect the instrument from AC mains power before cleaning. Clean
the outside of the instrument using a soft, lint-free, cloth slightly dampened with water. Do not use
detergent or solvents. Do not attempt to clean internally. If needed, contact a Keysight Technologies
Sales and Service Office to arrange for proper cleaning to ensure that safety features and performance
are maintained.
Connect USB cable with ferrite core to the rear panel USB port of the instrument.
Safety Symbols and Regulatory Markings
Symbol Description
Alternating current (AC).
Protective earth (ground) terminal.
Earth (ground) terminal.
Caution, risk of danger (refer to the manual for specific Warning or Caution information).
Frame or chassis (ground) terminal.
Instrument cable lock.
Keysight DAQ970A User's Guide 11
Safety and Regulatory Information
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