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● Remove the bat teries if they are worn ou t or before storing your device for an ex tended period of time.
● Always rem ove old, weak , or worn-out batteries promptly and rec ycle or dispose of them in accor dance
with Local and National Di sposal Re gulations.
● If a batter y leaks , remove all batteries, taking care to keep the leaked uid from touching your sk in
or clothes. If uid from the battery comes into cont act with sk in or clothes , ush skin with water
immediate ly. Before ins erting new batteries, thoroughly clean the battery compartment with a damp
paper towel, or follow the batter y manufac turer’s re commendations for cle anup.
Disposable (non-r echar geable) batteries only:
● Caution Risk of explosion if battery is replaced by an incor rect type. Use and replace onl y with the
correc t size and type (alkaline, zinc-carb on, or zinc-chloride) of batteries.
Rechar geable batteries only:
● Caution Risk of explosion if battery is replaced by an incor rect type. Use and replace onl y with the same
type and rating as the bat teries provided.
● Charge only with the recharger provided with the product .
Headset Devices
Extended exposure to high volum es when using a headset may result in temporary or permanent
hearing loss.
Wireless Devices
Before boarding any aircraft or packing a wireless device in luggage that will be checked, remove the
batteries from the wireless device or turn the wireless device off (if it has an on/off switch). Wireless devices
can transmi t radio frequency (R F) energy, much like a cellular telephone, whenever batteries are installed
and the wirel ess device is turned on (if it has an on/off switch).
Keyboard and Mouse Devices
Health Warning
Use of a keyboar d or mouse may be linked to serious injuries or disorder s.
When using a computer, as with many activiti es, you may experience occasion al discomfo rt in your hands,
arms, shoulders , neck, or oth er part s of your body. However, if you experie nce symptoms such as per sistent
or recurring discomfo rt, pain, throbbin g, aching, tingling, numbness, burning sensation, or stiffness,
DO NOT IGNORE TH ESE WARNING SI GNS. PROMPTLY SEE A QUALIFIED HE ALTH PROFESSIONAL,
even if symptoms occur when you are not working at your comp uter. Symptoms like these can be associated
with painful and sometim es perman ently disabling injuries or disorders of the ner ves, muscles, tendons, or
other par ts of the body. These musculoskeletal disorder s (MSDs) include carpal tunnel syndrome, tendonitis,
tenosynovitis, and other conditions.
While rese archers are not yet able to answer many que stions about MSDs, there is gener al agreem ent that
many factors may be linked to th eir occurrence, inclu ding: overall health, stress and how on e copes with it ,
medical an d physical conditions , and how a person positions and uses his or her body during work and oth er
activities (inclu ding use of a keybo ard or mouse). The amount of time a person per forms an ac tivit y may also
be a factor.