[. . . ] D3-4-2-3-3_A1_En WARNING To prevent a fire hazard, do not place any naked flame sources (such as a lighted candle) on the equipment. Please read through these operating instructions so you will know how to operate your model properly. After you have finished reading the instructions, put them away in a safe place for future reference. [. . . ] English Main Features Suppresses up to 90 % of ambient noise, great listening even in noisy locations. Energy-saving design allows up to 120 hours of continuous listening enjoyment. Noise-canceling function can be switched off when not needed, allowing use as ordinary headphones. 3 En Set Contents Confirm the presence of all parts and components before use. € Headphones • Accessory carrying case • Operating instructions (this document) • In flight plug adapter • AAA manganese battery (1) (for confirming operation) 4 En Names and Functions of Parts English 3 4 2 1 1 Power switch Use to turn noise-canceling function ON/OFF. 3 Battery cover latch Slide the battery cover latch (triangle mark) in the direction of the arrow to open the battery cover [4]. 4 Battery cover Press in direction of arrow (triangle) to open battery cover. € The noise-canceller function is designed to reduce noise primarily in the low-frequency range, and is not effective at reducing high-frequency noise. € If the earpads do not correctly match the size and contours of your ears, excessive sound may escape, or you may sense insufficient bass sound, and the effect of the noise-canceling function may be reduced. € High-pitched feedback (howling) may occur if the headphones are pressed against the ears. The problem may also be caused by factors other than the headphones themselves, so be sure to check the sound components with which the headphones are used. Perform the following checks, and if the problem persists, consult your dealer or nearest Pioneer service station. € Set the power switch to position ON (power indicator lights green). 10 En About use of headphones English • Do not subject headphones to dropping, striking, or other severe impacts, since damage may result. [. . . ] 10 En About use of headphones English • Do not subject headphones to dropping, striking, or other severe impacts, since damage may result. € To ensure high quality sound reproduction, keep the plug clean by wiping occasionally with a soft clean cloth. € In the event of a malfunction, or if a foreign object becomes lodged in the headphones, turn off the power and consult your dealer or Pioneer service station. [. . . ]