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4.1.1 Entering instructions
The protocol format is as follows
Command <SP> parameter <CR>
The space character <SP> separates commands from parameters and the <CR> character acts as
command line terminator.
For commands without parameter values (e.g. GT ) the <SP> character and parameter values are
omitted. The command line is as short as this:
Command <CR>
4.1.2 Incorrect instruction / error codes
If a command is not entered correctly, the reader sends one of the following error codes:
wrong instruction:
wrong value
EEPROM error:
inputbuffer overflow:
wrong mode for instruction:
4.1.3 Upper and lower case
The instructions set isn't case sensitive.
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<NAK> #00 <CR>
:
<NAK> #02 <CR>
<NAK> #03 <CR>
<NAK> #05 <CR>
<NAK> #07 <CR>
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