iv • Contents
EPROM Version Information ................................................................................................ 100
Memory Allocation ................................................................................................................ 101
Function Key Codes ................................................................................................ 104
RS-232 Option Chart ............................................................................................... 106
SD Card Utilities .................................................................................................................... 108
Backup Reports ...................................................................................................................... 110
Load/Save Receipt Images ..................................................................................................... 111
Flash ROM Updates............................................................................................................... 114
Flash ROM Update by SD ....................................................................................... 114
Default Programming ............................................................................................................ 119
Alpha Overlay Method ............................................................................................ 120
Descriptor Code Method ......................................................................................... 122
Tax Programming .................................................................................................................. 123
PLU Programming ................................................................................................................. 125
System Option Programming ................................................................................................. 138
System Option Table ............................................................................................... 139
Print Option Programming ..................................................................................................... 144
Print Option Table ................................................................................................... 145
Function Key Programming ................................................................................................... 149
SAM4S ER-900 Series Electronic Cash Register AU
119