Glossary:

ATIS Telecom Glossary

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LRC

Abbreviation for longitudinal redundancy check.

LSB

Abbreviation for least significant bit, lower sideband.

LSOG

Local Service Ordering Guidelines

LSP

Local Service Provider

LSR

Local Service Request

LTC

Abbreviation for line traffic coordinator.

LUF

Acronym for lowest usable high frequency.

luminance range

1. In CRT displays, the difference in brightness between the lightest and the darkest element of a scene or its display. [After SMPTE]
2. Of a CRT or other display device, the ratio of (a) the maximum brightness that is (or can be) displayed to (b) the minimum brightness that is (or can be) displayed.

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