MagTek MT-211232 RS-232 1 OR 2 TRACK - Manual (Page 27)

Section 3. Operation
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<STX> <ESC> ERROR <CR> <ETX>
End of Text Character
(03 Hex), Optional
Set Switch A8 to ON.
Carriage Return Character
(OD Hex), optional. Set
Switch B1 to ON.
ASCII "E" represents
Error.
Escape Character 1B Hex,
Optional, Set Switch A7 to ON.
Start of Text Character (02 Hex),
Optional. Set Switch A6 to ON.
Figure 3-2. Reader to Host Message - Unsuccessful Read
HOST TO READER COMMANDS
All commands transmitted from the host to the Reader must be preceded by an ASCII “Escape”
<ESC> character. Characters that precede or follow the command sequence will not affect the
Reader’s command interpretation. All ASCII characters must be transmitted in UPPER CASE
(for example, ASCII “I” and “R”).
Buffer Mode Commands
Commands used in the buffer mode are described in Table 3-1.