General Power Meter Functions; Setting The Units Of Measurement - Keysight N1911A User Manual

2

General Power Meter Functions

Setting the Units of Measurement

The Units menu is used to select the measurement units for the currently selected
window. These can either be logarithmic (dBm or dB) or linear (Watt or %) units.
Presetting (
(logarithmic units).
measurement mode.
Press
%
grayed out.
When the measurement unit is set to Watt (W), it is possible that negative power
NOTE
results are displayed when measuring low power levels.
Table 2-1
Measurement Mode
Log
Linear
Table 2-2
Measurement Mode
Ratio
Difference
58
) the power meter sets the measurement units to dBm
Table 2-1
, . Select the unit of measurement from
Units
. Softkeys which cannot be selected in your particular mode of operation are
Measurement units - Single channel meters
Measurement units - Dual channel meters
Log
Linear
Log
Linear
and Table 2-2 show units that are applicable to each
Relative Mode Off
dBm
Watt
Relative Mode Off
dB
%
dBm
Watt
Keysight N1911A/1912A User's Guide
, , , and
dBm W dB
Relative Mode On
dB
%
Relative Mode On
dB
%
dB
%