Sharp EL-6390B Operation Manual - Page 6

Abnormal, Conditions, Cause, Malfunction

Page 6 highlights

When Abnormal Conditions Cause a Malfunction If the Organizer is subjected to strong, extraneous electrical noises or shocks during use, ON an abnormal condition may occur in which no keys (including C•CE ) will respond. If this happens, press the RESET switch on the back of the Organizer and any key other than 2nd ENTER . If an error occurs internally, "DATA PROBLEM" and "PRESS RESET!" are displayed alternately. Clear all memory by performing steps 2 and 3 above. 4

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When
Abnormal
Conditions
Cause
a
Malfunction
If
the
Organizer
is
subjected
to
strong,
extraneous
electrical
noises
or
shocks
during
use,
ON
an
abnormal
condition
may
occur
in
which
no
keys
(including
C•CE
)
will
respond.
If
this
happens,
press
the
RESET
switch
on
the
back
of
the
Organizer
and
any
key
other
than
.
If
an
error
occurs
internally,
"DATA
PROBLEM"
and
"PRESS
RESET!"
are
displayed
alternately.
Clear
all
memory
by
performing
steps
2
and
3
above.
2nd
ENTER
4