How To Proceed In The Event Of Abnormal Conditions - Sharp EL-9900 Operation Manual

How to Proceed in the Event of
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 ON key
on the calculator connected, do not function. In the event of such a situation operate
the machine from the start again, or reset the calculator by the following procedure
before reoperation. Refer to the EL-9900 Operation manual.
How to reset
1. Pull down the notch to open the battery cover located on the back of the calcula-
tor.
2. Place the battery cover back until the notch is snapped on.
3. Press ON .
The verification window will appear on the screen.
4. • To keep the memory contents:
Press ON . The display will return to the initial display.
• To clear all memory contents:
Press CL while the above is being displayed. All memory contents will be
cleared and the display will become as follows.
Pressing any key to display the calculation screen.
Abnormal Conditions
21