Casio FD-1 User Manual page 8

Avoid heat, humidity or direct sunlight.
Do not overexpose the device to direct sunlight, or place it near an air conditioner, or in any extremely hot place.
Do not use near a TV or radio.
This device can cause video or audio interference with TV and radio reception. If this happens, move the device away from the
TV or radio.
Do not use lacquer, thinner or similar chemicals for cleaning.
Clean the device with a soft cloth dampened in a weak solution of water and a neutral detergent. Soak the cloth in the solution
and squeeze until it ts almost dry.
Avoid use in areas subjected to temperature extremes.
Extremely high or low temperature can cause figures on the LCD screen to become dim and difficult to read. This condition
should correct itself when the device is brought back to normal temperature.
HNOTES®
You may notice lines in the finish of the case of this device. These lines are a result of the molding process used to shape the plastic of the
case. They are not cracks or breaks tn the plastic, and are no cause for concern.
E-6 FD1-E-006A