Casio C721 User Manual

Safety

Do not touch the electric plug when starts lightning. It may cause 

the electric shock from thunderbolt.

Do not overload a power outlet with too many devices.

Do not connect another Wall Charger to the Charging/Data Port 

(either directly or through the Headset Adapter), when charging 

the phone inserted in the Handset Charging Cradle. Damage or 

overheat may result.

k Seizures/Blackouts

A very small percentage of individuals may experience epileptic 

seizures when exposed to certain light patterns or flashing lights. 

Exposure to certain patterns or backgrounds on a computer 

screen, or while playing video games, may induce an epileptic 

seizure in these individuals. Certain conditions may induce 

previously undetected epileptic symptoms even in persons who 

have no history of prior seizures or epilepsy.

If you, or anyone in your family, have an epileptic condition, 

consult your physician prior to playing. If you experience any 

of the following symptoms while playing a video or computer 

game—dizziness, altered vision, eye or muscle twitches, loss 

of awareness, disorientation, any involuntary movement, or 

convulsions—IMMEDIATELY discontinue use and consult your 

physician before resuming play.

k Repetitive Motion Injuries

When you play games on your phone, you may experience 

occasional discomfort in your hands, arms, shoulders, neck, 

or other parts of your body. Follow these instructions to avoid