Overlay Trace Function; Overlaying Several Traces Stored In Memory - Viavi 8100 V2 Series User Manual

Portable, modular platform designed for the construction, validation and maintenance of optical fiber networks

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Chapter 8 Optical Spectrum Measurement

Overlay trace function

Display of total power, gain tilt and slope of the gain between the cursors

Overlay trace function

This very useful function enables up to eight traces to be displayed on the screen at

either to compare traces acquired on a number of different fibers in the same

or to observe changes over time in traces taken of one and the same fiber.

or to compare both curves get for each way of propagation in the origin/end

For this purpose, the Platform possesses an overlay memory which can store:

the current trace, for comparison with further traces to be acquired subsequently,

or traces previously saved, for comparison with the current trace,

To display two traces from the memory, deleting the current trace or traces already

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