User manual SENNHEISER SET 840-TV

[. . . ] Wireless TV Listening System Set 840-TV Instruction manual I 1 1 2 3 5 4 II B A 6 7 0 9 8 CD G EF Contents Contents Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Delivery includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Setting up the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The operation indicator 0 on the transmitter lights up green. EU UK M US N G M When connecting the transmitter to the mains for the first time, charge the rechargeable battery for 3 hours as described in the chapter "Storing and charging the receiver" on page 18. If there is no audio signal from the sound source for about 3 minutes, the transmitter automatically switches off. To disconnect the transmitter from the mains, pull out the mains connector from the wall socket. when you are on holiday), pull out the mains connector from the wall socket. In this case, however, the receiver's rechargeable battery will not be recharged. 3h 11 Using the Set 840-TV system Using the Set 840-TV system To switch the Set 840-TV system on, proceed as follows: Sequence of steps Page 1. Depending on the channel found, the receiver produces 1, 2 or 3 beeps (see page 22) and the channel indicator 1 on the receiver lights up as follows: The channel indicator 1 goes off after 30 seconds so that the light won't disturb you in a dark room. 14 Using the Set 840-TV system What if you don't hear the desired sound source?To continue the channel search: 4 Press the channel search button 4 on the receiver repeatedly until you have found your sound source. If you still cannot find your sound source: Change the transmission channel as described in the next chapter. Read the chapter "If a problem occurs . . . " on page 24. Changing the transmission channel If several transmitters are operated simultaneously and are very close to one another, reception can be subject to interference (e. g. Change, if necessary several times, the position of the channel selector switch F on the transmitter to change to an interference-free channel. Press the channel search button 4 on the receiver to restart the channel search. If reception is still subject to interference : Read the chapter "If a problem occurs . . . " on page 24. 15 Using the Set 840-TV system Adjusting the balance The balance control allows for right/ left volume adjustment. Turn the balance control 3 to the left L or right R in order to increase the volume for the corresponding ear. 3 Switching between mono and stereo operation If, despite a correct balance adjustment, you can hear the sound only with one ear: Set the ST/MO switch D on the transmitter to MO (mono). D Meaning of the terms "mono" and "stereo" Stereo (ST) Mono (MO) L R L+R Example: L: Speech from the left R: Music from the right You hear speech from You hear speech and music the left and music from coming from the front. the right. 16 Using the Set 840-TV system Individually enhancing the speech intelligibility The "speech intelligibility" button A allows you to adjust the sound to your individual needs. Try out which setting works best for you. B A Press the "speech intelligibility" button A repeatedly until the sound is optimally adjusted to your needs. Press the button Indicator B is lit yellow Setting 1 2 3 Default setting 1x 2x 3x 4x If necessary, you can have the speech intelligibility fine adjusted to your hearing ability (see page 26). 17 Using the Set 840-TV system Storing and charging the receiver Do not store the receiver on a glass dummy head, chair armrest, or similar for long periods of time as this can reduce the contact pressure of the earbows. Furthermore, with the earbows pulled apart, the receiver remains switched on. After use, place the receiver into the transmitter's charging compartment 6 without exerting too much pressure. The Sennheiser logo can face the operation indicator 0 or away from it. When the receiver is placed correctly into the charging compartment, the indicator 9 lights up: 0 9 6 red: The battery is being charged. If you have a second receiver, it can be used with the transmitter while the discharged first receiver is being charged. Always store the receiver in the transmitter's charging compartment 6 to ensure that it is fully charged. [. . . ] 50 mV/m (at a distance of 3 m) up to 100 m up to 100 ft 3. 5 mm stereo jack socket 13. 5 V 140 mA 2. 4 W (incl. battery and receiver charging and with switched-on transmitter) approx. SPL Power supply Operating time Weight Dimensions NT 13 mains unit Nominal input voltage Mains frequency Nominal output voltage Nominal output current Ambient temperature In compliance with Europe: 125 dB (SPL) via BA 300 rechargeable Li-Pol battery (3. 7 V / 150 mAh) up to 9 hours approx. 240 x 128 x 26 mm 100 V~ to 240 V~ 50­60 Hz 13. 5 V DC 500 mA +5°C to +40°C EMC Radio Safety EN 301489-1/-9 EN 301357-1/-2 EN 60065 The devices can be operated license-free in most countries of the European Union. [. . . ]