User's Manual

Coolpad 5860E
devices than phones that are not labeled.
T4 is the better/ higher of the two ratings.
Hearing devices may also be rated. Your
hearing device manufacturer or hearing
health professional may help you find 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 example to the above, 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