ENTION: LISTENING AT HIGH VOLUME LEVELS FOR LONG PERIODS CAN PERMANENTLY DAMAGE YOUR HEARING. This device has been designed for use with stereo devices. For connection to mono devices, please use a stereo to mono jack plug available from most audio accessory shops. Use a soft cloth or, if necessary, a damp wash-leather for cleaning the devices. Do not use aggressive cleansing agents. HDR40_GB.fm Seite 9 Donnerstag, 19. Februar 2004 3:00 15Wireless RS 40-10 English Varnish or furniture polish may attack the rubber feet of the transmitter’s charging unit. As these could stain your furniture, place the transmitter on a non-slip pad. If problems occur... Are all connections properly made? Are the headphones and sound source switched on and is the volume correctly adjusted? Have you charged the accupack for at least 20 minutes? Are you too far from the transmitter? (if so, move closer) Choose a different channel. Adjust the setting with the TUNE control. If the problem persists, please contact your specialist dealer for assistance. Never open the device! Only use original Sennheiser spare parts and accessories. Components from other manufacturers (e.g. for mains unit or accupack) may cause damage to the device and will invalidate the guarantee. Accessories The following accessories are available from your specialist dealer: Spare accupackBA 151 ChargerL 151-2 Additional headphonesHDR 40 Technical data ModulationFM, stereo Transmitter Power supply12 V DC via plug-in mains unit Power consumptionapprox. 1 VA RF output powertyp. up to 10 mW (0.75 mW with 925 MHz version) Signal-to-noise ratiotyp. > 68 dBA Frequency rangesee type plate located on the bottom of transmitter Channels3 (2 with 863 MHz version) Audio connector3.5...