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3. 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
O
key, do not function. In
the event of such a situation reset it as follows.
How to reset
Press the RESET switch only in the following cases.
• When an abnormal condition occurs and all the keys are inoperative.
• To clear all memory contents.
1) Press the RESET switch on the back of the OHP panel controller.
• Please use a ball-point pen when pressing the RESET switch. Do not use a sharp point or
fragile object such as a needle, a mechanical pencil, etc.
2) The display should be as shown below. Press the RESET switch again if the display is
different from what is shown below.
3) To keep the memory contents:
Press
O
. The display will return to the initial display.
4) To clear all memory contents:
Press
C
while the above is being displayed. All memory contents will be cleared and the
display will become as follows.
Pressing any key at this point restores the initial display.