Memorex MMP8640 User Manual page 70

TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM
No buttons work.
Unit acting erratically.
CAUSE
The Lock feature is
activated.
Unit needs to be reset Reset unit and/or
or firmware needs to be update firmware, see
updated.
Unit needs to be reset Reset unit and/or
or firmware needs to be update firmware, see
updated.
70
SOLUTION
Deactivate Lock feature as
described on page 36.
page 72.
page 72.