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Chapter 4
Commissioning
2098.0188.72
- 4.25 -
E-1
4. Use the
Set Offset
command to measure and save the DC voltage of the reflected-pow-
er test point at 0 W output power.
Note
To abort, exit the
Trigger: Set
info window by pressing
Back
. To continue, confirm by
pressing
OK
.
5. Enter the other settings as shown in the table below:
Verification of the calibration
Calibration of the power indication was successful if the values displayed in the
Calibration
window area for
Gain
and
Offset
are not equal to zero.
Function
Explanation
Measured Values
Measurement display
Power
Current reflected power
Voltage
Currently measured DC voltage of the test point
Configuration
Setting of a warning threshold for the reflected power
Nominal Value
Forward power/50 (corresponds to the maximum reflected power)
Warning Limit
Used to select a dB value for the warning threshold referenced to the
reflection switch-off threshold which is at a return loss of -17 dB (corre-
sponding to a reflected power/forward power ratio of 1/50)
Calibration
Execution of calibration and display of the results
Gain
Internal measurement value of the nominal value
Offset
Deviation from the zero value of the power display
Set Gain
Used to calibrate the internal measurement system. Set Gain stores the
internal measurement value for the entered (measured) nominal value.
Set Offset
Used to calibrate the zero point as of which the externally measured
power is displayed. Set Offset calibrates the zero point.
Summary of Contents for N 8000 Series
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