505. [Spectrum Measurement][S pectrum M easurem ent] m easures a sam ple spectrum . In the [S pectra M anager] w indow , double-click[S pectrum M easurem ent]. T he spectrophotom eter is initialized and the follow ing w indow appears.Title BarMenu BarMonitor BarSpectrum display fieldF igure 5.1 [S pectrum M easurem ent] w indow[S pectrum M easurem ent] w indowT itle B ar D isplays the nam e of the program . T he color changes w hen the w indow isactive.M enu B ar C ontains the m enus of the program . E ach m enu contains a list ofcom m ands.M onitor B ar D isplays current m easurem ent values.W avelength, photom etric value, and sam ple N o. from left to right.D ouble-clicking the w avelength display displays the [G oto W avelength]dialog box, w hich is used to m ove the w avelength to an arbitraryw avelength. D ouble-clicking the photom etric value display displays the[P aram eters] dialog box, w hich is used to set m easurem ent param eters.S pectrum display field M onitors a spectrum during m easurem ent. W hen m easurem ent isfinished, the spectrum is autom atically transferred to the [S pectraA nalysis] program .M enu[M easurem ent] m enu[S tart] S tarts spectrum m easurem ent.[P aram eter...] S et and save param eters.[B aseline] M easures baseline data for correcting the spectrophotom eter baseline.[G oto W avelength...] M oves the spectrophotom eter w avelength to a set w avelength.[A uto Z ero] S ets the absorbance (or transm ittance) of the current w avelength to zero(or 100% T for transm ittance).[E xchange W avelength...] C hanges the exchange w avelength of the spectrophotom eter light sourceand the exchange w avelength of the diffraction grating (V -570).