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| media reflectivity
| The surface reflectivity of the target media.
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This command sets the active copy of the media reflectivity.
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| The focus laser power is set based on the value of the media reflectivity. Lower reflectivities result in more focus laser power to achieve the same received signal levels.
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| The media reflectivity and the rcvrgain are adjusted to give adequate received focus signal levels. The target signal level is a focus sum equal to approximately 1200.
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COMMAND: foc rcvrgain <receiver gain>
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PARAMETER: med <media index> sr
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PARAMETER: med <media index> rcvrgain
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