User's Manual

1 .1 EM I
N ot e: Near ly every m ode rn elect ronic device is suscept ible to
elect rom agn e tic int e rfere n ce ( EM I ) if ina dequ a tely shielde d,
designed, or otherw ise configure d for elect r om a gne tic
com pat ibility.
Elect r onic D e vice s
To avoid elect rom agnetic interference, please t urn off your Bluet oot h
headset in any place where post ed notices instruct you to do so.
Aircraft
Turn off your Bluetooth headset when on board an aircraft. The use of a
Bluetooth headset m ight int erfere the t elecom m unicat ion syst em of an
aircraft.
Medica l I nst rum ent s
Please keep a safe distance away from the m edical instrum ent s in a hospital
or m edical unit when using your Bluetooth headset. I f you use any ot her
personal m edical device, such as a pacem aker, please consult t he
m anufacturer of your m edical device to det erm ine if it is adequat ely shielded
from electrom agnet ic int erference. Your physician m ight assist you in
obtaining t his inform at ion.
1 .2 Safe t y I nst ruct ion
Pla ce m ent
You are advised to put your Bluet oot h headset in a safe place where it will
not be bent or crushed when not in use. I t will help to protect your headset.
Childr en
Keep the Bluet oot h headset away from children. Som e sm all or det achable
part s m ight be swallowed and result in harm .
2 . Brief I nt roduct ion
2 .1 Blue t oot h Techn ology
Bluetooth t echnology is a short-dist ance wireless com m unicat ion t echnology.
Bluetooth products are used in frequencies operated by industry, science
and m edicine ( I SM) . I t applies t he technology of frequency- j um p in order t o
avoid int erference. The frequency band of 2.4GHz~ 2.4835GHz is divided