1. Shall have reasonable notice in writing of the nature and content of the allegations to be made, including notice that its purpose is to determine whether there is probable cause to believe that he has committed a violation that may lead to a revocation of parole or probation;

2. Shall be permitted to advise with any persons whose assistance he reasonably desires, prior to the hearing;

3. Shall have the right to confront and examine any persons who have made allegations against him, unless the hearing officer determines that such confrontation would present a substantial present or subsequent danger of harm to such person or persons; and

4. May admit, deny or explain the violation alleged and may present proof, including affidavits and other evidence, in support of his contentions. A record of the proceedings shall be made and preserved.