(a) Coverage of judicial proceedings shall be subject to the continuing supervision of the presiding trial judge. No coverage shall take place within the courtroom, whether during recesses or at any other time, when the presiding trial judge is not present and presiding.

(b) Notwithstanding the approval of an application for permission to provide coverage of judicial proceedings, the presiding trial judge shall have discretion throughout such proceedings to revoke such approval or to limit the coverage authorized in any way.