Sharp IQ-8900 - Manual (Page 300)

C. Resetting the Unit
All reset
o p e r a t i o n
1.
A strong impact, exposure to an electrical field, or other
unusual conditions may render the unit inoperative, and
pressing the keys or touch buttons will have no effect. If
this occurs, you will have to press the RESET switch on
the back of the unit using the touch pen or similar object
to be able to continue to use the unit.
perative may erase
some or all of the data stored in memory.
l
Do not use anything breakable, anything with a sharp
tip or anything that might break to press the RESET
switch.
If the unit still fails to function after it has been reset using
the procedure above, or you have forgotten the password
to be entered in the start-up display, you will have to
reset it using a slightly more complicated procedure:
While pressing and holding (ON), press and release the
RESET switch.
A message appears.
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