SAM4s ER-285M Operator's and Program Manual v1.4
Service Mode Reference Guide
•
107
Service Mode Reference Guide
Overview
Use the Service Mode (
S
Mode) to perform secure operations. The
S
position is one position
clock-wise from the
PGM
position. The
S
position is not labeled. The key labeled “C”
accesses this position.
The following procedures are done from the Service Mode.
•
Clear All Totals
•
Clear Grand Total
•
Clear PLU file
•
EPROM Information
•
Memory Allocation
•
Assignment of Functions to Keyboard Locations
•
RS232C Port Options
CAUTION: The procedures described in this area are security sensitive. Do not share
this information with unauthorized users and distribute the special SERVICE-Mode
key only to those you may want to perform these functions.
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