NAME
    Stop -- pause current activity on the parallel device

FUNCTION
    This command halts the current I/O activity on the parallel
    device by discontinuing the handshaking sequence. The stop and
    start commands may not be nested.

IO REQUEST
    io_Message      mn_ReplyPort initialized
    io_Device       set by OpenDevice
    io_Unit         set by OpenDevice
    io_Command      CMD_STOP (06)

SEE ALSO
    parallel.device/CMD_START