D. troubleshooting – Sharp IQ-8900 User Manual
Page 301
2. Release
3. Touch
.
The built-in clock and any set daily alarms are reset.
l
Do not touch
in step 3. Doing so will delete all
data in the unit.
l
However, if you have forgotten the password to be
entered in the start-up display, you have no choice but
to touch
, losing all your data, to be-able to use
the unit.
D. Troubleshooting
Refer to the list below for solutions when the unit is not
functioning properly before contacting your local SHARP
dealer.
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
l
Set the card lock switch to LOCK.
l
Adjust the LCD contrast (see 52).
l
Install new batteries (see 302).
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.)
300