Troubleshooting - Sharp IQ-8920 Operation Manual

2. Release (ON1.
3. Touch w.j .
The built-in clock and any set daily alarms are reset.
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D. Troubleshooting
Refer to the list below for solutions when the unit is not
functioning properly before contacting your local SHARP
dealer.
300
Do not touch I-] in step 3. Doing so will delete all
data in the unit.
However, if you have forgotten the password to be
entered in the start-up display, you have no choice but
to touch I] , losing all your data, to be-able to use
the unit.
Problem
The display remains
blank after pressing
0
ON .
Poor display contrast.
The unit is turned on,
but pressing keys and
touch buttons has no
effect.
"Not enough memory"
displayed.
Solution
Set the card lock switch to LOCK.
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Adjust the LCD contrast (see p. 52).
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Install new batteries (see p. 302).
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Adjust the LCD contrast (see p. 52).
The unit's memory is full or nearly full.
Delete unnecessary data or install a
RAM card (see p. 238). (You can
check the amount of free memory
using CHECK MEMORY in the
TOOLS
menu. See p. 81.)