=== Firmware - Commands ===
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!Command !! Function !! Extension<sup>**</sup> !! Comment
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|<big>'''m''' ''X Y''</big> || move relative || N || values X and Y in millimeters
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|<big>'''M''' ''X Y''</big> || move absolute || N ||
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|<big>'''l''' ''X Y''</big> || line relative || N || move with pen down
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|<big>'''L''' ''X Y''</big> || line absolute || N ||
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|<big>'''D''' ''delaymd ld''</big> || set delay || Y delays<sup>**</sup> || set stepper delay delays for move (msmd) - and line (ld) in milliseconds<br/>default 20 50, typically 10 - 150 ms, range 1 ... 255
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|<big>'''H'''</big> || move home || Y <sup>**</sup> || move to origin position (0/0 mm)
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|<big>'''#''' ''comment ...''</big> || comment || Y <sup>**</sup> || rest of line, up to the next character 13 (carriage return), will be ignored<br>comment is echo'ed to the serial line
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