VisualServer provides five more custom commands other than general pan, tilt, zoom and preset functions.
Administrators can click on 
and refer to the instruction manual of the attached device to setup frequently used functions. The "Commands" should be entered in ASCII format; VisualServer will translate it into binary code and send it out through the serial port. For instance, a text string of "8101ABCDEF" will be translated into five bytes of hexadecimal 81, 01, AB, CD and EF. The maximal length of a command string is 60 which is equivalent to 30 hexadecimal bytes. "Display string" is for text on command buttons and should be less than 8 characters.
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