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Answer to a parameter input
After input of a valid parameter value, the reader answers with the new parameter value and a <CR>. The
new parameter value has been saved. Example:
Command:
MD <SP> 2 <CR>
Answer:
2 <CR>
After input of a invalid parameter value, the reader answers with the actual valid parameter:
Command:
MD <SP> 4 <CR>
Answer:
2 <CR>
Answer to a parameter request
Parameter values can be read by using the parameter command without a parameter value. Example:
Command:
MD <CR>
Answer:
2 <CR>
Empty input line
If only a <CR> sent, the reader answers with a <CR>. Example:
Command:
<CR>
Answer:
<CR>
Capital and small letters
The reader interface does not act case sensitive. Captial and small letters are treated the same.
Carriage return
The reader does not send a line feed <LF>. Our terminal programs replace the <CR> by a <CR><LF>. Some
programs like the “HyperTerminal” provide this as an option.
