Ctia Requirements - Zte Z839V User Manual

are likely to be more usable with a hearing device's telecoil ("T
Switch" or "Telephone Switch") than unrated phones. T4 is the
better/higher of the two ratings. (Note that not all hearing devices
have telecoils in them.)
Your phone meets the M4/T4 level rating.
Hearing devices may also be rated. Your hearing device
manufacturer or hearing health professional may help you find
this rating. For more information about FCC Hearing Aid
Compatibility, please go to http://www.fcc.gov/cgb/dro.

CTIA Requirements


Do not disassemble or crush, bend or deform, puncture or
shred.

Do not modify or remanufacture, attempt to insert foreign
objects into the battery, immerse or expose to water or other
liquids, expose to fire, explosion or other hazard.

Only use the battery for the system for which it is specified.

Only use the battery with a charging system that has been
qualified with the system per CTIA Certification Requirements
for Battery System Compliance to IEEE 1725. Use of an
unqualified battery or charger may present a risk of fire,
explosion, leakage, or other hazard.

Do not short circuit a battery or allow metallic conductive
objects to contact battery terminals.

Replace the battery only with another battery that has been
qualified with the system per this standard, IEEE-Std-1725.
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