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After entering an invalid parameter value, the system answers with the corresponding error code. Error
message:
Command:
MD
<SP>
4
<CR>
Output:
NAK
<SP>
#02
<CR>
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:
MD
<CR>
Output:
2
<CR>
3.1.3
Blank instuction
If a single <CR> is input, the reader answers with a single <CR>. Example:
Command:
<CR>
Output:
<CR>
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
MEANING
NAK #00 <CR>
unknown command
NAK #02 <CR>
wrong parameter
NAK #03 <CR>
EEPROM error
NAK #04 <CR>
wrong transponder type
NAK #05 <CR>
buffer overflow
NAK #06 <CR>
not logged in
Summary of Contents for ARE DT1
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