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After entering an invalid parameter value, the system answers with the corresponding error code. Error
message:
Command:
Output:
3.1.2.3
Output at parameter query
Parameter settings can be queried by sending the command without adding a parameter value. Exam-
ple:
Command:
Output:
3.1.3 Blank instuction
If a single <CR> is input, the reader answers with a single <CR>. Example:
Command:
Output:
3.1.4 Incorrect instruction / error codes
If a command is not entered correctly, the reader sends one of the following error codes:
ERROR CODE
NAK #00 <CR>
NAK #02 <CR>
NAK #03 <CR>
NAK #04 <CR>
NAK #05 <CR>
NAK #06 <CR>
--------------------------------------------------------------------------------8/45--------------------------------------------------------------------------------
MD <SP> 4 <CR>
NAK <SP> #02 <CR>
MD <CR>
2 <CR>
<CR>
<CR>
MEANING
unknown command
wrong parameter
EEPROM error
wrong transponder type
buffer overflow
not logged in
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