There shall be a Recorder elected at large by the qualified voters of the City who shall serve as a member of the Council and shall keep the journal of proceedings of the Council and have charge of and preserve the records of the City. Whenever the Mayor is unable because of illness or absence from the municipality to perform the duties of his office and during any vacancy in the office of Mayor, the Recorder shall perform the duties of the Mayor and be vested with all of his power and authority. The Recorder shall serve for a term of four (4) years; provided however, that the Recorder elected at the first election held hereunder shall serve for a term of two (2) years. Any vacancy in the office of Recorder shall be filled by the affirmative vote of Council appointing a qualified person to fill the vacancy for the unexpired term.