Chapter 5
Test and Measurement Functions
CX300 Meters
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CX300 ComXpert Operation Manual
Rev. 001
5.6.2 Meter Scale Settings
The upper and lower settings of a meter’s scale can be defined by the user. The following
methods are supported to define a meter’s scale settings:
5.6.3 Average Measurements
When appropriate for the measurement type, CX300 measurement meters support
average measurements. The
Avg Samples
field is used to define the number of samples
that are used to calculate average measurements. Average is calculated as a rolling
average.
5.6.4 Refresh Meters
Meter readings are refreshed using the
Refresh button
(
). The following are
examples of when meters should be refreshed:
•
When limits have been triggered and a new measurement is started.
•
To restart average measurement calculations.
•
When test parameters have been changed.
•
Pre-Defined
•
The user can select from a pre-defined list of values which are
appropriate for the measurement. The selected value defines the
upper scale value; the lower value defaults to a value appropriate
for the measurement.
•
Custom
• Custom
allows the user to define the upper and lower scale
settings. When
Custom
is selected, the upper and lower scale
fields update to editable data fields. Selecting the upper and lower
scale field displays the
Numeric Keypad
which allows you to
enter an arbitrary value.
•
Auto
•
When
Auto
is selected, the system adjusts the scale to settings
best suited to the characteristics of the received signal.
