IBM 4840-563 System Reference - Page 69
Byte 1, Bit 0: Carriage return Enabled, SurePOS 500 Model XX3 Technical Reference, v 1.3,
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The data from the card is returned as shown in the following Baccus Naur Form: Track data: Track1: [{1,82}]|[] Track2: [{1,40}]|[] Track3: [{1,107}]|[] CR: 0x0D or Carriage Return Start Sentinel 1: 0x251 or value in configuration byte 2 Start Sentinel 2: 0x3B or value in configuration byte 3 Start Sentinel 3: 0x2B or value in configuration byte 4 End Sentinel: 0x3F or value in configuration byte 5 Error: 0x45 Data1: 0x21 to 0x5F Data2: 0x31 to 0x3F Data3: 0x31 to 0x3F If a track is read incorrectly an ASCII 'E' is returned in place of the bad track. The following table shows the format of the MSR configuration word: Byte1 Bit 0 1 2 3 4 5 6 7 Byte 2 Byte 3 Byte 4 Byte 5 Configuration bits Function CR enabled Raw data mode track 1 disabled track 2 disabled track 3 disabled Strip Sentinels Use Custom Configuration Hide Error tracks SS1 SS2 SS3 ES Factory PS/2 1 0 0 0 0 0 0 0 0x25 0x3B 0x2B 0x3F Default RS-232 0 0 0 0 0 0 0 0 0x25 0x3B 0x2B 0x3F Byte 1, Bit 0: Carriage return Enabled This bit enables the inclusion of Carriage returns between the tracks. This defaults to '0' or no Carriage 1 ASCII conversion of characters used in this document are: 0x25='%', 0x3B=';', 0x2B='+', 0x3F='?', 0x45='E'. For more ASCII character conversions see ISO-646-US-ASCII. SurePOS 500 Model XX3 Technical Reference, v 1.3 Page 69 of 81