EXHIBIT 24 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report incorporated by reference in this Form 10-K, into the Company's previously filed Registration Statements, File Numbers 33-723, 33-24508, 33-37872, 33-78564 and 33-78572. ARTHUR ANDERSEN LLP San Diego, California June 28, 1996