User manual SENNHEISER SET 820

[. . . ] The system uses RF audio signals for sound transmission. English 23 Delivery includes The Set 820 consists of the following components and accessories: - Stethoset receiver - Transmitter (charging unit) - Rechargeable battery - Power supply - Connecting cable for headphone output - Adapter for SCART socket - Replacement ear pads - Instruction manual RR 820 TR 820 BA 151 NT 820 English 24 Connecting the transmitter (charging unit) The rear of the transmitter is fitted with two audio inputs: A socket (LINE) for connection to the audio output or the headphone socket on your TV, and a microphone socket (MIC). 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). [. . . ] A fully charged battery has an operating time of approx. 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. Delivery includes a pair of replacement ear pads. If necessary, remove the old ear pads and slide on the new ones. Use a soft cloth for cleaning the units. Do not use abrasive cleaners. 33 WARNING: Volume up?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. ATTENTION: Components from other manufacturers (e. g. 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. [. . . ] up to 10 mV 3. 5 mm jack, stereo/mono 2. 5 mm jack, mono approx. 10-12 h 12 V DC via NT 820 mains unit approx. 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. [. . . ]