Keysight Technologies U1273A Guide De L'utilisateur page 59

– For firmware version 1.64 and below, the Filter function is switched off by
NOTE
– Press
– Press
– For measuring AC voltage signals with a DC offset, refer to
CAUTION
– For measuring DC voltage from a mixed signal in DC measurement mode,
– To avoid possible electric shock or personal injury, enable the Filter(LPF) to
Keysight U1273A/U1273AX User's Guide
default. Customers are advised to update their products to the latest
firmware version to take advantage of the latest safety features and
measurement improvements.
to cycle through the available dual display combinations. See
Dual
Exit
Appendix B, "Dual Display Combinations Using the Dual Key,"
page 155 to learn more.
to measure the frequency of the DC voltage source. See
"Measuring Frequency"
and DC Signals" on page 62.
ensure that the Filter is enabled (Refer to
verify the presence of hazardous DC voltages. Displayed DC voltage values
can be influenced by high frequency AC components and must be filtered to
assure an accurate reading.
on page 100 to learn more.
"Enabling the filter"
Making Measurements
starting on
"Measuring AC
on page 146).
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