Rohde & Schwarz ZNL Series, User Manual

Page: 42 / 240

Configuration
R&S
®
ZNL
42 User Manual 1178.5989.02 ─ 06
Amplitude settings determine how the R&S ZNL must process or display the expected
input power levels.
Reference Level ........................................................................................................... 42
└ Shifting the Display (Offset) ............................................................................ 42
└ Unit ..................................................................................................................43
└ Setting the Reference Level Automatically ( Auto Level ) ...............................43
Attenuation Mode / Value ............................................................................................. 43
Impedance ................................................................................................................... 44
Reference Level
Defines the expected maximum reference level. Signal levels above this value may not
be measured correctly. This is indicated by an "IF Overload" status display.
The reference level can also be used to scale power diagrams; the reference level is
then used as the maximum on the y-axis.
Since the hardware of the R&S ZNL is adapted according to this value, it is recommen-
ded that you set the reference level close above the expected maximum signal level.
Thus you ensure an optimum measurement (no compression, good signal-to-noise
ratio).
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RLEVel
on page 122
Shifting the Display (Offset) ← Reference Level
Defines an arithmetic level offset. This offset is added to the measured level. In some
result displays, the scaling of the y-axis is changed accordingly.
Amplitude