User manual SENNHEISER HD 280-PRO

[. . . ] 2 Areas of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Delivery includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Adjusting the headband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] We have designed this product to give you reliable operation over many years. Over 60 years of accumulated expertise in the design and manufacture of high-quality electroacoustic equipment have made Sennheiser a world-leading company in this field. Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser products quickly and to the fullest. 1 Headphone features HD 280 pro / HD 280 silver headphones Closed dynamic headphones Accurate, linear sound reproduction for critical monitoring applications Low impedance headphones (64 impedance) Space-saving design features collapsible, rotating earcups Up to 32 dB of ambient noise attenuation Neodymium magnets for high maximum SPL (113 dB/1 Vrms) Very comfortable, even if used for long periods due to very light weight soft, circum-aural ear cushions padded, adjustable headband Single-sided, coiled cable with 3. 5 mm jack plug and lockable adapter to 1/4" (6. 3 mm) jack plug Very rugged with user-replaceable parts HD 280 -13 headphones As HD 280 PRO, but high impedance variant (300 impedance). 2 Areas of application The headphones not only effectively attenuate external noise but also minimise spillage from the headphones to the outside world. They are especially suitable for use as monitoring headphones in a noisy environment broadcast and TV applications film and theatre applications recording applications Delivery includes Headphones Adapter to 1/4" (6. 3 mm) jack plug Instructions for use 3 Safety instructions Attention!This is a professional pair of headphones. Commercial use is subject to the rules and regulations of the trade association responsible. Sennheiser, as the manufacturer, is therefore obliged to expressly point out possible health risks arising from use. This system is capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. At higher volumes, the duration must be shortened in order to prevent damage. The following are sure signs that you have been subjected to excessive noise for too long a time: You can hear ringing or whistling noise in your ears!You have the impression (even for a short time only) that you can no longer hear high frequencies! 4 Adjusting the headband For good transmission quality and best possible comfort, the headband has to be adjusted to properly fit your head. To do so, adjust the headband via its snap-in locking mechanism. 5 Folding up the headphones For space-saving transportation, the headphones can be folded up in three different ways: 1. To fold up the headphones as compact as possible, tuck the earcups between the headband (variant A and B). A Note: To fold up the headphones as shown in variant B, pull out the headband completely. B 2. To fold up the headphones as flat as possible, the earcups can be rotated by 90°. Cleaning the headphones To clean the headphones, use a soft, damp cloth. If necessary, the headphones can be cleaned with soapy water (use a mild cleanser such as washing-up liquid). Note: Never use solvent-containing cleansers. 6 Replacing spare parts Available accessories and spare parts Ear cushions Headband padding Connecting cable Replacing the ear cushions Grasp behind the ear cushions and pull them up and away from the earcups. Slide the new ear cushions onto the earcups. Replacing the headband padding Pull the Ziploc type fastening strips of the headband padding apart, as shown in the diagram on the left, and remove the worn headband padding. [. . . ] 32 dB < 0. 1 % (at 51 kHz, 100 dB SPL) < 0. 1 % (at 1 kHz, 100 dB SPL) approx. 3 m 9 Frequency response curve Diffuse field frequency response dB (1Pa/V) Hz 10 Manufacturer declarations Warranty 2 years Approval Sennheiser electronic GmbH & Co. KG declare that this device is in compliance with the applicable CE standards and regulations. Before putting the device into operation, please observe the respective country-specific regulations! [. . . ]