Setting Db Measurement - Keysight U1253B Guía Del Usuario Y Servicios

4 Changing the Default Settings

Setting dB measurement

The decibel unit can be disabled by setting this to "OFF". The available options are
dBm, dBV, and OFF. For dBm measurement, the reference impedance can be set
by the "dBm-R" menu item.
Figure 4-5
118
Decibel measurement setup
Keysight U1253B User's and Service Guide