How the HP 85662A Is Used - HP 85662A IF-Display Section is used with: □ HP 85660B RF Section as the HP 8566B Spectrum Analyzer □ HP 85680B RF Section as the HP 8568B Spectrum Analyzer. ■ Option 462 is used with: □ HP 85660B RF Section as the HP 8566B Option 462 Spectrum Analyzer □ HP 85680B RF Section as the HP 8568B Option 462 Spectrum Analyzer - Option 067 is used with: □ HP 856708 RF Section as the HP 85678 Spectrum Analyzer - Option H96 is used with: • I HP 85680B Option H96 as the HP 8568B Option E96 Spectrum Analyzer o HP 85680B Option H44 as the HP 8568B Option E44 Spectrum Analyzer.