Changing The Decibel Display; Changing The Custom Dbm Reference Impedance - Agilent Technologies u1273a User Manual

4 Multimeter Setup Options
Setup Menu Items

Changing the decibel display

Changing the custom dBm reference impedance

112
5 Press and hold
Setup
to normal operation.
This setting is used with dB measurements (see
You can enable the multimeter to display voltage as a dB
value, either relative to 1 milliwatt (dBm) or a reference
voltage of 1 volt (dBV).
Parameter Range
dB dBm, dBV, or OFF
To change the decibel display:
1 Press
for more than 1 second to enter the
Setup
multimeter's setup menu.
2 Browse to Menu 1 > dB, and press
3 Use the arrow keys to change the decibel display. Select
OFF to disable the decibel display.
4 Press
to save your changes (or press
discard your changes).
5 Press and hold
Setup
to normal operation.
This setting is used with dB measurements (see
The dBm function is logarithmic, and is based on a
calculation of power delivered to a reference impedance
(resistance), relative to 1 mW.
Parameter Range
(1 to 9999) Ω
dBm-R
until the multimeter restarts to return
until the multimeter restarts to return
U1273A/U1273AX User's Guide
page 44).
Default setting
dBm
edit the value.
to
page 44).
Default setting
0050 Ω