Changing The Custom Dbm Reference Impedance - Keysight Technologies U1273A User Manual

4 Multimeter Setup Options
Parameter
dB
To change the decibel display:
1 Press
2 Browse to Menu 1 > dB, and press
3 Use the arrow keys to change the decibel display. Select OFF to disable the
4 Press
5 Press and hold

Changing the custom dBm reference impedance

This setting is used with dB measurements (see
logarithmic, and is based on a calculation of power delivered to a reference
impedance (resistance), relative to 1 mW.
Parameter
dBm-R
To change the dBm reference impedance value:
1 Press
2 Browse to Menu 1 > dBm-R, and press
3 Use the arrow keys to change the dBm reference impedance value.
4 Press
5 Press and hold
134
Range
dBm, dBV, or OFF
for more than 1 second to enter the multimeter's setup menu.
Setup
decibel display.
to save your changes (or press
until the multimeter restarts to return to normal operation.
Setup
Range
(1 to 9999) Ω
for more than 1 second to enter the multimeter's setup menu.
Setup
to save your changes (or press
until the multimeter restarts to return to normal operation.
Setup
Defaul t setting
dBm
edit the value.
to discard your changes).
page 57). The dBm function is
Defaul t setting
0050 Ω
edit the value.
to discard your changes).
Keysight U1273A/U1273AX User's Guide