SHARP EL-99T
Service Manual

(4) Insert the batteries in the correct orientations as indicated in the battery compartments. Caution: � Fluid from a leaking battery accidentally entering an eye could result in serious injury. Should this occur, wash with clean water and immediately consult a doctor. � Should fluid from a leaking battery come into contact with your skin or clothes, immediately wash with clean water. � If the product is not to be used for some time, to avoid damage to the unit from leaking batteries, remove them and store in a safe place. � Do not leave exhausted batteries inside the product. � Do not fit partially used batteries, and be sure not to mix different batteries types. � Keep batteries out of the reach of children. � Remove used batteries from the compartment. Otherwise, the computer may be damaged from electrolyte leakage. � Do not throw batteries into a fire as this may result in an explore. � The original batteries were installed at the factory at the time of shipment and may be depleted before satisfying the full operating time indicated in the specifications.

Press . All memory contents will be cleared and the display will become as follows.

Press any key to return to the calculation screen. Notes: � If the above verification window does not appear, remove the battery cover and gently push the RESET switch with the tip of a ball-point pen or similar object. DO NOT use a tip of a pencil or mechanical pencil; a broken lead may cause a damage to the switch mechanism. � If the OHP projection panel does not display the screen, press the SCREEN RESET button on the panel.

7. PRECAUTIONS ON TEMPERATURE
(1) Do not leave the OHP projection panel on a projector stage for prolonged periods of time. Doing so may cause the display to darken or the unit itself to be deformed due to high temperatures. Because of this, the projector power should be turned off when not displaying an image. (The darkened display will return to normal once it cools down after moving the OHP projection panel away from the projector.) (2) When using the OHP projection panel for prolonged periods of time, its display may darken due to high temperatures. In this case, slide the contrast adjustor lever left in order to make it lighter.

6. HOW TO PROCEED IN THE EVENT OF ABNORMAL CONDITIONS
If this product is exposed to a powerful external electric field or shock during use, an abnormal condition may seldom occur in which all of the keys, including the key, do not function. In the event of such a situation reset it as follows. How to reset Reset the OHP projection panel controller only in the following cases. � When an abnormal condition occurs and all the keys are inoperative. � To clear all memory contents. (1) Pull down the notch to open the battery cover located on the back of the OHP projection panel. (2) Place the battery cover back until the notch is snapped on. (3) Press . The verification window will appear on the screen.

(3) Be careful when handling the OHP projection panel. Its surface temperature will become high during use. (4) Use this product at room temperatures between 0 C and 30°C (32°F to 86°F).

8. USING THE HARD COVER
The hard cover protects the OHP projection panel controller from shock. Place the hard cover on the controller when not in use, or when carrying it in its carrying case. (1) When using the OHP projection panel controller.

(2) When not using the OHP projection panel controller.

(4) To reset while retaining the memory contents: Press . The display will return to the initial display.

To reset with clearing all the memory contents:
EL-99T HOW TO PROCEED IN THE EVENT OF ABNORMAL CONDITIONS

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