Read Sharp ER-A490 (serv.man10) Technical Bulletin online
[ROM REPLACEMENT PROCEDURES].
Replacement operations which are carried out in the markets for the new ROM on the
ECR which is using the old ROM should be carried out in accordance with the
procedures described below. It is important to note that the service manual and the
ECR which is using the old ROM should be carried out in accordance with the
procedures described below. It is important to note that the service manual and the
programming manual should be consulted for details concerning each operation.
1.
Back up on a floppy disk using ER-01FD or ER-02FD the RAM data of the ECR.
(Method of operation) [SRV mode] 996
(Method of operation) [SRV mode] 996
→
•
→
X
→
TL.
2.
Remove the old ROM, replace it with the new ROM, and carry out the MASTER
RESET operation.
3.
Using ER-01FD or ER-02FD, send the RAM data which was backed up on the
floppy disk in step 1 above to the ECR.
floppy disk in step 1 above to the ECR.
(Method of operation) [SRV mode] 998
→
•
→
X
→
TL.
4.
Carry out the RESET operation for the SRV.
5.
Carry out the settings described below.
•
Exchange rate setting (PGM #1310).
•
Exchange tab setting (PGM #2330).
•
Function text setting for “EX1 CHECK + CREDIT” (PGM #2314).
•
Function text setting for “EX1 CHECK + CREDIT DOMESTIC” (PGM #2314).
•
EURO function setting (PGM #2680).
End.
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