Read Sharp XE-A102 (serv.man5) FAQ online
Q. The screen is showing a row of Dashes “----“
A. A secret number must be entered to continue. If the secret number has been forgotten then this can
be reset to the default by following this procedure:
1.
Turn Key to Z/PGM
2.
Enter “0000”
3.
Press X/TM
4.
Press TL/AT/NS
5.
Press #/ST
6.
Turn key to REG
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