NAME
    IND_SETTHRESH -- Set the key repeat threshold

FUNCTION
    This command sets the time that a key must be held down before
    it can repeat.  The repeatability of a key may be restricted
    (as, for example, are the shift keys).

    This command always executes immediately.

IO REQUEST - a timerequest
    tr_node.io_Message      mn_ReplyPort set if quick I/O is not possible
    tr_node.io_Device       preset by the call to OpenDevice
    tr_node.io_Unit         preset by the call to OpenDevice
    tr_node.io_Command      IND_SETTHRESH
    tr_node.io_Flags        IOB_QUICK set if quick I/O is possible
    tr_time.tv_secs         the threshold seconds
    tr_time.tv_micro        the threshold microseconds