Operating Precautions - Casio IT-300 Series User Manual

Operating Precautions

Your Handheld Terminal and its options are precision. Improper operation or rough
handling can cause problems with data storage and other problems. Note and observe
the following precautions to ensure proper operation.
•
Do not leave dead battery pack in the Handheld Terminal for a long period.
Dead battery pack can leak, leading to malfunction and damage to the Handheld
Terminal.
•
Stop or avoid using the Handheld Terminal and its options in areas and
conditions subject to the following.
— Large amounts of static electricity
— Extreme heat or cold or humidity
— Sudden temperature change
— Large amount of dust
— After large amount of rain or water falls on the Handheld Terminal
— Pressing the screen or keys with excessive force when using in the rain
•
Use the touch panel by touching it lightly with your fi nger.
Do not press down hard on the touch panel or press it with pointed objects (ballpoint
pens, fi ngernails, etc.) as this could scratch or damage the touch panel and lead to
malfunctions.
•
The touch panel may not operate correctly in the following situations:
— When a foreign object is stuck to or touching the panel
— When a sticker or protective sheet other than the special sheet provided is stuck to
the touch panel
— When your fi nger or the touch panel is wet
— When you use it while wearing gloves
•
Dead Pixels
The LCD panel employed in this product uses high precision and substantial number
of components which commonly cause a small number of the pixels not to light or
to remain lit all the time. This is due to the characteristics of LCD panel yield in
accuracy over 99.99% and permissible.
E-8