ยง 410. Trial. If triable issues of fact are raised they shall be tried
forthwith and the court shall make a final determination thereon. If
issues are triable of right by jury, the court shall give the parties an
opportunity to demand a jury trial of such issues. Failure to make such
demand within the time limited by the court, or, if no such time is
limited, before trial begins, shall be deemed a waiver of the right to
trial by jury.