User manual SENNHEISER RS 40

[. . . ] Charge the accupack for 24 hours before you use it for the first time!Do not place the transmitter close to metal objects such as shelf bars, reinforced concrete walls, etc. If there is no audio signal for about 3 minutes, the transmitter automatically switches off. [. . . ] Additional headphones with the designation HDR 40 are available from your specialist dealer. Please make sure to choose headphones with the same frequency range as the transmitter you are using (see type plate on the bottom of the transmitter). BA 151 spare accupack When the headphones' accupack is going flat (noise, interference and distortion are sure signs of a flat accupack), recharge the accupack. After an initial charging of 24 hours, the normal charging time is 14 hours. If you wish to use your headphones for more than four hours of continuous operation, we recommend purchasing a spare accupack. Always store the spare accupack in the charging compartment at the back of the transmitter to ensure that it is fully charged when it is needed. Only use original Sennheiser accupacks ­ accupacks from other manufacturers may cause damage to your headphones and will invalidate the guarantee. Additional BA 151 spare accupacks can be charged via the L 151-2 charger (available from your specialist dealer). Before disposing of an old and exhausted accupack, make sure that it is totally discharged by using it until the device switches off. To protect the environment, only dispose of totally exhausted accupacks. Additional information The audio transmission technology used with this device is basically that of a radio. According to today's scientific knowledge, the radio waves emitted by this device are not harmful to humans or animals. aTTENTION: 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. Charging the accupack For charging the accupack, place the headphones into the transmitter's charging compartment (nb: make sure the headphones are inserted the correct way round. The Sennheiser logo on the headband must be readable looking from the front - see diagram. [. . . ] Accessories The following accessories are available from your specialist dealer: Spare accupack BA 151 Charger L 151-2 Additional headphones HDR 40 Technical data Modulation Transmitter Power supply Power consumption RF output power Signal-to-noise ratio Frequency range Channels Audio connector FM, stereo 12 V DC via plug-in mains unit approx. > 68 dBA see type plate located on the bottom of transmitter 3 (2 with 863 MHz version) 3. Sound pressure level THD Power supply Current consumption Operating time Weight Dimensions Charger un pack d'accus Pour charger le pack d'accus, placez le casque sur l'emplacement prévu sur l'émetteur de façon que le logo Sennheiser soit à lire. [. . . ]