Sennheiser HDA 280 دليل المستخدم

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HDA 280
Audiometrie-Kopfhörer
Die Bauart des HDA 280 ist von der Physikalisch-Technischen
Bundesanstalt geprüft. Der Kopfhörer entspricht IEC 60645-1.
Wichtig!
Der HDA 280 ist für den Betrieb mit einem Audiometer be-
stimmt! Beim Austausch von Audiometrie-Kopfhörern muss das
Audiometer neu kalibriert werden!
Technische Daten
Art.-Nr. 9860 1 Stck.
9861 24 Stck./Karton
Wandlerprinzip dynamisch, geschlossen
Ankopplung an das Ohr supraaural
Übertragungsbereich < 20 Hz bis > 20 kHz
Kennsc

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HDA 280 Audiometric headphones Design approved by the PTB (German national institute for science and technology). The headphones comply with IEC 60645-1. Important! The HDA 280 is designed for use with an audiometer! After exchanging audiometric headphones, the audiometer has to be re-calibrated! Specifications Cat. No. 9860 1 unit 9861 24 units/carton Transducer principle dynamic, closed Ear coupling supra-aural Frequency response < 20 Hz to > 20 kHz Characteristic SPL 117 dB (at

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Cleaning the headphones To clean the headphones, use a soft, damp cloth. If necessary, the headphones can be cleaned with a cloth that has been dipped in soapy water (use a mild cleanser such as washing-up liquid). Note! Do not immerse the headphones in water or allow the capsules to become wet. Never use solvent-containing cleansers. Available accessories and spare parts Ear cushions Headband padding Connecting cable Replacing the ear cushions
Grasp behind the ear cushions and pull them u