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Displaying dBV values
A dBV measurement uses a 1 volt reference voltage to compare the present
measurement against a stored relative value. The difference between the two AC
signals is displayed as a dBV value. The reference impedance setting is not part of
a dBV measurement.
1 To make a dBV measurement, first set the rotary switch to
2 Press
3 Press
4 Press
5 Press
Figure 2-10
To make the multimeter display dBm values again, repeat
select
page 136 to learn more.
Press
test mode,
Keysight U1271A/U1272A User's Guide
.
for more than 1 second to enter the multimeter's Setup mode.
Setup
until
dBv is shown on the primary display.
to save the changes. Press and hold
restarts.
until the voltage measurements are displayed as a dBV value, as
Dual
E xit
shown in
Figure
2-10.
dBV display
dBm instead. See
for more than 1 second to exit the dBV function. Selecting the frequency
Dual
E xit
also cancels the dBV function.
is shown on the secondary display. Press
"Changing the decibel display (U1272A only)"
Making Measurements
,
Setup
until the multimeter
Setup
step 2
to
step 4
2
,
, or
until
and
on
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