ユーザーズガイド SONY VAIO VGN-TZ90HS

[. . . ] • Turn up the volume of the connected AV equipment. • Replace the battery. Muffled sound • Turn down the volume of the connected AV equipment. Fold the headphones as illustrated for easy storage in the carrying pouch (supplied). 2 Push the OPEN button to open the battery lid. Power does not turn on • Check if the battery has expired (the POWER indicator dims). [. . . ] A microphone inside each earpad works with an electronic circuit to create an opposite sound wave to cancel out the noise. • Foldable and swivel design for easy portability. • Dual use capability allows option to listen to music with or without noise cancellation. • Neodymium magnet delivers powerful sound. • Supplied plug adaptor for easy connectivity to stereo or dual jack for in-flight music services. When connecting to a remote commander with a stereo mini jack of a WALKMAN ®*, etc. Specifications Closed, dynamic 30 mm, dome type (CCAW adopted) Power handling capacity 100 mW Impedance 33 Ω at 1 kHz (when the power is on) 35 Ω at 1 kHz (when the power is off) Sensitivity 102 dB/mW (when the power is on) 100 dB/mW (when the power is off) Frequency response 30 – 20, 000 Hz Total Noise Suppression Ratio*1 Approx. 1. 5 m (59 1/8 in) OFC litz cord Power source DC 1. 5 V, 1 × R03 (size AAA) battery Mass Approx. 134 g (4. 7 oz) including battery Supplied accessories Sony R03 (size AAA) battery (1) Carrying pouch (1) Plug adaptor for in-flight use*3 (single/dual) (1) Operating Instructions (1) Card warranty (1) *1 Under the Sony measurement standard. • Howling may occur if you do not wear the headphones correctly. • Howling may occur if you place an object such as finger close to the noise canceling microphone. • Mobile phones may cause interference and noise. To avoid interference, use noise canceling feature only with wireless transmitters turned off (Airplane Mode). Interference noise can also occur from nearby mobile phones. Should this occur, locate the headphones further away from the mobile phone. *3 May not be compatible with some in-flight music services. Design and specifications are subject to change without notice. 4 Turn on the power of the AV equipment. When using in an airplane • The supplied plug adapter can be connected to the dual or stereo mini jacks in an airplane. Notes on usage • Clean the headphones with a soft dry cloth. • Do not leave the plug dirty otherwise the sound may be distorted. • Be sure to consult a Sony dealer when the earpads become dirty or damaged, or when the headphones require repair work. [. . . ] • Do not leave the stereo headphones in a location subject to direct sunlight, heat or moisture. When to replace the battery Replace the battery with a new one when the POWER indicator dims. The noise canceling feature may not work correctly if battery power is low. If the battery lid is detached Attached it as illustrated. for dual jacks for stereo mini jack Notes on headphones + • Do not use the headphones when use of electronic equipment is prohibited or when use of personal headphones for in-flight music services is prohibited. If you have any questions or problems concerning the system that are not covered in this manual, please consult the nearest Sony dealer. Preventing hearing damage Avoid using headphones at high volume. [. . . ]