Sennheiser SET 820 - Manuals

26 En gl ish Only use one of the two audio inputs on the transmitter (MIC or LINE). Connect the power cable to the POWER socket on the transmitter. Plug the power supply into a household electrical outlet. Pull the power supply unit out of the electrical outlet when the unit will notbe used for exte...

27 English Where to place the transmitter Choose a suitable place near or on top of your hi-fi system or TV set. Do not place the transmitter close to metal objects such as shelf bars, reinforced concrete walls, etc. The transmitter features a convenient automatic on/off function. The transmitter is...

28 En gl ish Using the stethoset receiver When putting the stethoset receiver on, make sure the operating control is pointing downwards and the letters are at the front. The stethoset receiver automatically turns on if you pull the earbows apart. After use, the receiver automatically turns off. Set ...

29 English Adjusting the volume Adjust the receiver’s volume with the operating control. If you are not using the stethoset receiver, store it in the transmitter’s charging compartment so that the battery can be recharged (seesection “Charging the battery”). Set 820.book Seite 29 Freitag, 9. Dezembe...

30 En gl ish Changing the transmission channel To avoid interference caused by the simultaneous operation of several transmitters, select a different channel on each transmitter. Several switchable transmission channels are available (C HANNEL ). Due to the required approval two channels are selecta...

31 English Adjusting the receiver channel First turn on the transmitter (see section “Where to place the transmitter”). Then put on the stethoset receiver - as soon as the receiver is put on it automatically tunes itself to the first strong signal found (normally the transmitter frequency). If, for ...

32 En gl ish 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. Charge the battery for 24 hours before you use it for the first time. The normal charging time is 4-5 hours. A ful...

33 English 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. Varnish or furniture polish may degrade the rubber feet of the t...

39 English Additional information for hearing aid acousticians Adjusting the earbow pressureLoosen the screw at the rear of the stethoset receiver. Move the screw in the long hole to the desired position (continuously adjustable).1 = Low earbow pressure2 = High earbow pressureTighten the screw. Adju...

40 En gl ish Adjusting the max. volume:Potentiometer turned fully counterclockwise 0 dB Potentiometer turned fully clockwise 125 dB Adjusting the bass response:Potentiometer turned fully counterclockwise attenuation of -25 dB at 100 Hz Potentiometer turned fully clockwise attenuation 0 dB The adjust...

41 English Technical data Modulation FM, stereo Carrier frequencies see type plate at the base of the transmitter AF frequency response 40 Hz ....... 15 kHz S/N ratio 60 dB A rms TransmitterRF output power typ. up to 10 mV Audio input 3.5 mm jack, stereo/mono Microphone socket 2.5 mm jack, mono Char...

42 En gl ish Manufacturer declarations CE Declaration of Conformity This equipment is in compliance with the essential requirements and other relevant provisions of Directi-ves 1999/5/EC, 89/336/EC or 73/23/EC. The declaration is available on the internet site at www.sennhei-ser.com.Before putting t...