Chapter 1 BEFORE USING THE INSTRUMENT
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1.1 What is the AQ7260?
This instrument emits a light pulse into an optical fiber and searches faults from the end of
the fiber, then calculates transmission loss effectively by detecting back scattering rays
caused by Rayleigh scattering inside the fiber, and rays reflecting at connection points and
fault points.
Since the optical section comes in a module, an appropriate optical module can be
selected according to the wavelength and type of optical fiber to be used.
This instrument also can be used for light source depend on the mounted optical module.
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