Chapter 6
Measuring System Performance
This chapter explains how to evaluate system performance by measuring
key parameters, both as part of routine monitoring and corrective
maintenance. Operations covered include performing Level, Tilt, Scan,
Carrier-to-Noise ratio (C/N), Hum, Modulation-Demodulation, Composite
Second Order (CSO) and Composite Triple Beat (CTB) measurements.
A Word About Measurement Screens and Icons
You can start these measurements from the Navigator menu or by simply
pressing the appropriate measurement mode key.
During many of the following measurements, you will notice that for a given
procedure, the display remains essentially the same, but the icons that guide
you through the test change from screen to screen within the same test.
Press the soft key adjacent to the icon to activate that specific function.
The icon will partially darken or “gray out” to indicate change-of-state.
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