September, 99
TTPM2 Installation and Programming Manual
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A solution to this problem is using HEX code for the magnetic message instead of ISO
code. Thus you can compensate for the lost synchronization zeroes by adding additional
synchronization zeroes in the beginning of the message. However, note that HEX en-
coded tickets are normally not readable in standard ISO-card readers.
Figure 33. Ticket position is erroneously detected with 45° corners