8-28 Option 100 Fault Location and SRL
Key Reference
Alphabetical Key Reference
Softkey in cable menu. Selects ratioed forward transmission type
of measurement, or transmission calibration selections.
See “Measuring Transmission Response” in Chapter 3 of your
analyzer's User's Guide and “To Perform a Transmission
Calibration” in Chapter 6 of your analyzer's User's Guide for more
information.
Access
Keys:
Softkey in the fault cal menu. This function allows you to enter a
new velocity factor. Velocity factor is one of the two required
parameters for cable calibration. Velocity factor is the speed of
propagation of electrical signals in the cable relative to their
speed in a vacuum. The velocity factor of your cable may be
imprinted on the cable. If the velocity factor of your cable is not
available, you may refer to Appendix A for some typical values.
Access
Keys:
or
(You must already be in fault location
measurement mode to access the
softkey via the key.)
Softkey in the connector model menu. The value of Z cutoff
frequency affects the analyzer's calculation of cable impedance.
The default Z cutoff value of 210 MHz is chosen to minimize
mismatch effects of the input connector.
See “Defining Cable Impedance” on page 1-7 for more detailed
information on how Z cutoff frequency affects cable impedance
measurements.
Access
Keys:
or
(You must already
be in SRL measurement mode to access the
connector model menu via the key.)
BEGIN
BEGIN
CAL
CAL
CAL
BEGIN
CAL
CAL
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