LG Electronics UX840H, MMBB0339801(1.0) manual 128

Safety

	able to use a rated phone
	successfully. Trying out the
	phone with your hearing device
	is the best way to evaluate it for
	your personal needs.
	M-Ratings: Phones rated M3 or
	M4 meet FCC requirements and
	are likely to generate less
	interference to hearing devices
	than phones that are not
	labeled. M4 is the better/higher
	of the two ratings.
	Hearing devices may also be
	rated. Your hearing device
S	manufacturer or hearing health
a f e	professional may help you find
ty	this rating. Higher ratings mean
	that the hearing device is
	relatively immune to interference
	noise. The hearing aid and
	wireless phone rating values are
	then added together. A sum of 5
	is considered acceptable for
	normal use. A sum of 6 is
	considered for best use.

In the above example, if a hearing aid meets the M2 level rating and the wireless phone meets the M3 level rating, the sum of the two values equal M5. This should provide the hearing aid user with “normal usage” while using their hearing aid with the particular wireless phone. “Normal usage” in this context is defined as a signal quality that’s acceptable for normal operation.

The M mark is intended to be synonymous with the U mark. The T mark is intended to be synonymous with the UT mark. The M and T marks are

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