Resetting The Unit; All Reset Operation - Sharp IQ-8920 Operation Manual

C. Resetting the Unit
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.
some or all of the data stored in memory.
Do not use anything breakable, anything with a sharp
l
tip or anything that might break to press the RESET
switch.
All reset If the unit still fails to function after it has been reset using
operation 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
1.
RESET switch.
A message appears.
perative may erase
299