Pioneer Industrial DVD Player DVD-V7400 - Manual (Page 87)

Current Address Request Descriptions
Execution :
String Status Return DVD player
Park mode
MU<CR>
R<CR>
…(18,302
bytes)…<CR>
Receives the command and
starts the transfer of the data,
18,302 bytes (ends with <CR>)
R<CR>
6.41 Return Firmware Version
1.136
Function : Returns player firmware version
Format : ?Z
Explanation : The command lists a number on the monitor which is the
player’s current firmware version.
Execution :
String Status Return DVD player
?Z<CR> Returns current firmware version
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