R&S ZVH
Cable and Antenna Test Mode
Performing Cable and Antenna Measurements
Operating Manual 1309.6946.12 - 09
45
● (fcal?)
The R&S ZVH uses factory calibration. However, the calibration is not accurate
because the TG power and receiver attenuation are not in line with the default
settings. In that case you should perform calibration.
● (cal)
The R&S ZVH uses user calibration. To get that state you have to perform either a
full 1-port or a full 2-port calibration.
● (cal?)
The R&S ZVH uses user calibration. However, the calibration is not accurate
because the TG power and receiver attenuation are not in line with the settings at
the time it has been calibrated. In that case you should perform calibration.
● (norm)
The R&S ZVH uses normalization. To get that state you have to normalize the
transmission.
● (norm?)
The R&S ZVH uses normalization. However, the normalization is not accurate
because the TG power and receiver attenuation are not in line with the settings at
the time it has been calibrated. In that case you should perform calibration.
● (interp) (network analysis only)
The R&S ZVH interpolates the correction data between the reference points of the
calibration. Interpolation is used when you change one of the frequency
parameters (start, stop or center frequency). In that case the distribution of the
measurement points is different to the distribution during calibration. This could
result in an increasing measurement uncertainty.
When calibration has become invalid for any reason or the calibration data has
changed, you can restore the most recent calibration that was valid.
► Press the CAL key.
► Press the "Cal Settings" softkey.
► Select the "Restore Calibration Settings" menu item.
The R&S ZVH restores the calibration data and the frequency settings that were
active.
