ID TECH SecureHead SPI with TMIV User Manual
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4.11.4.
Track n Prefix Setting
Characters can be added to the beginning of a track data. These can be special characters to identify
the specific track to the receiving host, or any other character string. Up to six ASCII characters can be
defined.
Command:
<STX><S><n><Len><Prefix><ETX><CheckSum>
Where:
•
<n> = 34h for Track1; 35h for Track2 and 36h for Track3
•
<Len> = the number of bytes of prefix string
•
<Prefix> = {string length}{string}
NOTE: String length is one byte, maximum six.
4.11.5.
Track n Suffix Setting
Characters can be added to the end of track data. These can be special characters to identify the
specific track to the receiving host, or any other character string. Up to six ASCII characters can be
defined.
Command:
<STX><S><n><Len><Suffix><ETX><CheckSum>
Where:
<n> = 37h for Track1; 38h for Track2 and 39h for Track3
<Len> = the number of bytes of suffix string
<Suffix> = {string length}{string}
NOTE: String length is one byte, maximum six.
4.12.
Magnetic Track Selections (Only for Security Level 1 & 2)
There are up to three tracks of encoded data on a magnetic stripe. This option selects the tracks that
will be read and decoded.
Command:
<STX><S><13h><01h><Track_Selection Settings><ETX><CheckSum>
4.12.1.
Track_Selection Settings:
•
“0” Any Track
•
“1” Require Track1 Only
•
“2” Require Track2 Only
•
“3” Require Track1 & Track2
•
“4” Require Track3 Only
•
“5” Require Track1 & Track3
•
“6” Require Track2 & Track3