Service Mode Reference Guide; Overview - Sam4s ER-285M Operator's Manual

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.
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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.
SAM4s ER-285M Operator's and Program Manual v1.4
Clear All Totals
Clear Grand Total
Clear PLU file
EPROM Information
Memory Allocation
Assignment of Functions to Keyboard Locations
RS232C Port Options
Service Mode Reference Guide • 107