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What does ZRL stand for?

ZRL stands for Zero Reference Level (cardiography)

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 7 other meanings of ZRL in our Acronym Attic

Samples in periodicals archive:

Another interesting thing about the bass is that while the Eagles disc reviewed at the beginning of this column required that the DTS LFE be adjusted a full +10 dB above the zero reference level to sound as balanced as what I got with the compact-disc version, this one balanced much more effectively at the factory-default, zero setting.