Before determining to close such proceedings, in whole or in part, the court shall give reasonable notice to all parties to the proceedings and such other persons who have advised the clerk of the court in writing, in advance of a specific trial, of their desire to be notified if such a motion is presented and is to be considered by the court. In giving such notice, the court will advise all such persons of the time and place when hearing on the motion shall be heard and shall afford all interested persons, including the general public, a reasonable opportunity to be present and prepare for such hearing.