User manual SENNHEISER SET 820

[. . . ] Plug in one end of the connecting cable to the audio output or the headphone socket on your TV, and the other end to the LINE socket on the transmitter. If your TV set is fitted with a SCART socket, use the supplied adapter. If your TV does not have a headphone or SCART socket, you can use an external microphone which is described in the section "Accessories". 25 English Only use one of the two audio inputs on the transmitter (MIC or LINE). Plug the power supply into a household electrical outlet. English Pull the power supply unit out of the electrical outlet when the unit will not be used for extended periods of time. [. . . ] because of interference or another nearby system), press the TUNE button at the rear of the receiver until you can hear the audio signal loud and clear. If you decide to change the transmitter channel, the frequency search tuning must be re-started by pressing the TUNE button on the receiver again (see section "Changing the transmission channel"). 31 English Charging the battery Place the receiver into the transmitter's charging compartment, with the operating control at the front. The left LED on the transmitter must light up. English Charge the battery for 24 hours before you use it for the first time. Always store the receiver on the transmitter to ensure that it is fully charged. The transmitter automatically switches to trickle charging so that the battery cannot be overcharged. The receiver can remain in the charging compartment even when the battery has been fully charged. 32 Additional information The audio transmission technology used with this unit is basically that of a radio. According to today's scientific knowledge, the radio waves emitted by this unit are not harmful to humans or animals. English Varnish or furniture polish may degrade the rubber feet of the transmitter. Place the transmitter on a nonslip pad to avoid potential staining of furniture. When people use headphones, they tend to choose a higher volume than with loudspeakers. However, if your hearing has deteriorated and you need to rely on an assitive listening system, please avoid listening at high volume levels for a long time. Please protect your hearing. English 34 Accessories Only use original Sennheiser spare parts and accessories. for power supply or battery) may cause damage to the unit and will invalidate the warranty. The following accessories are available from your authorized dealer: Rechargeable battery BA 151 Charger L 151-2 Stethoset receiver RR 820 Clip-on receiver with audio socket RR 820 S Transmitter TR 820 External microphone MKE 800 TV 35 English English BA 151 rechargeable battery By using a spare battery, you can use the stethoset receiver for more than four hours of continuous operation. Always store the spare battery in the small charging compartment at the right of the transmitter. The right LED on the transmitter lights up green to show charging is taking place. When charging a battery in the small charging compartment, the charging time is 10-12 hours. A battery has a service life of 1-2 years and should be replaced if the operating time decreases. Please dispose of the batteries as special waste or return them to your specialist dealer. To protect the environment, only dispose of totally exhausted batteries which cannot be recharged. L 151-2 charger Spare batteries can be charged via the L 151-2 charger. 36 RR 820 stethoset receiver One transmitter can transmit to several receivers. Additional RR 820 receivers are available from your authorized dealer. [. . . ] After replacing the operating control, synchronize the operating control with the volume control by once turning it fully counterclockwise and then fully clockwise. 40 Technical data Modulation Carrier frequencies AF frequency response S/N ratio Transmitter RF output power Audio input Microphone socket Charging time for battery Charging time (spare battery) Power supply Weight Dimensions Receiver Max. sound pressure level Power supply Operating time Weight Dimensions FM, stereo see type plate at the base of the transmitter 40 Hz . . . . . . . 94 g (without battery) diameter: 3. 8 inch, heigth: 1. 1 inch > 125 dB 2. 4 V via BA 151 battery more than 4 hours per battery approx. 60 g (without battery) length: 9. 0 inch, width: 4. 9 inch, heigth: 1. 0 inch 41 English Manufacturer declarations CE Declaration of Conformity This equipment is in compliance with the essential requirements and other relevant provisions of Directives 1999/5/EC, 89/336/EC or 73/23/EC. [. . . ]