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Wireless Listening Pleasure
RS 125
Instruction manual
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I 1 5 4 3 2 25
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II 6 7 B ON/OFF 8 CHARGE A 0 9
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Contents Contents Important safety instructions ................................................ 2 The RS 125 RF headphone system ........................................ 4 Delivery includes ...................................................................... 4 Product overview ..................................................................... 5 Overview of the headphones ................................................ 5 Overview of the transmitter ....................................
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Important safety instructions Important safety instructions • Read this instruction manual. • Keep this instruction manual for future reference. Always include this instruction manual when passing the devices on to third parties. • Clean the devices and the mains unit only with a dry cloth. • WARNING: To reduce the risk of fire or electric shock, do not expose the devices and the mains unit to rain or moisture. • Only use the supplied mains unit. • Disconnect the mains connector from the wall so
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Important safety instructions Safety instructions for NiMH rechargeable batteries If abused or misused, rechargeable batteries may leak. In extreme cases, they may even present: • a heat hazard, • a fire hazard, • a leakage hazard, • an explosion hazard, • a smoke or gas hazard. Please understand that Sennheiser does not accept liability for damage arising from abuse or misuse. Keep away from Only use original Sennheiser children. rechargeable batteries. Observe correct Do not short-circuit. p
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The RS 125 RF headphone system The RS 125 RF headphone system The RS 125 RF stereo hi-fi headphone system offers excellent sound quality and allows for wireless listening everywhere in the house and garden. The lightweight headphones are extremely comfortable to wear and very easy to use. The volume can easily be adjusted to individual needs. Enjoy a completely unrestricted listening experience without disturb- ing others. Delivery includes 1 HDR 125 headphones 1 TR 125 transmitter with connect
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Product overview Product overview An overview of the headphones and the transmitter is given on the inside front cover of this instruction manual. Overview of the headphones I 1 Headband 2 Volume control (VOLUME) 3 Channel search button (TUNE) 4 ON/OFF switch 5 Earpad Overview of the transmitter II 6 Charging cradle 7 Operation indicator, green 8 Charging indicator, red 9 Channel selector switch 0 Connection cable A Adapter for connection cable B Connector of mains unit 5
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Product overview Overview of the indicators and acoustic signals Indicators on the transmitter Indicator Status Meaning Operation indicator7 lit The sound source and the transmitter are (ON/OFF) switched on. Charging indicator8 lit The rechargeable batteries are being (CHARGE) charged. flashes The rechargeable batteries are fully charged. Acoustic signals and their meaning Acoustic signal Meaning 6 short beeps No signal! The transmitter is switched off or out of range. 2 long beeps The re
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Putting the RS 125 system into operation Putting the RS 125 system into operation Setting up the transmitter Choose a suitable place near your sound source (e.g. TV, stereo or home cinema system). Do not place the transmitter close to metal objects such as shelf supports, reinforced concrete walls, etc. as the metal affects the antenna and can decrease the transmitter’s range. This can be up to about 150 m in good conditions. Choose a place for the transmitter where the antenna is in free
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Putting the RS 125 system into operation Wall mounting the transmitter The transmitter is prepared for wall mounting. The required mounting hardware (screws and plugs) is not included in the delivery. Connecting the transmitter to a sound source You can connect the TR 125 transmitter to different sound sources, such as a TV, a DVD player or a stereo system. Switch your sound source off. A 0 Connect the connection cable 0 to the headphone socket of your sound source. If the plug on the connec
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Putting the RS 125 system into operation Adjust the volume of the headphone socket on your sound source to a medium level. This improves the quality of cord- less sound transmission. If necessary, check the menu setting of your TV. With most TVs, the headphone socket is located at the front or sides. Connecting the transmitter to the mains Connect the yellow connector of the mains unitB to the yellow socket on the transmitter. Plug the mains connector into a wall socket. The transmitter a
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Putting the RS 125 system into operation Insert the rechargeable batteries. Observe correct polarity when inserting the bat- teries. Put the earpad5 back in place. If the operating time decreases drastically even when the rechargeable batteries are fully charged, the rechargeable batteries are exhausted and have to be replaced. Charging the headphones’ rechargeable batteries Charge the rechargeable batteries for at least 16 hours prior to first time use. Subsequent charging time is 16h about
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Putting the RS 125 system into operation Always store the headphones on the charging cradle6 to ensure that they are fully charged when they are needed. When the rechargeable batteries are fully charged, the transmitter automatically switches to trickle charging and the charging indicator 8 flashes slowly. Nearly discharged batteries will significantly reduce the sound quality. Approx. 10 minutes before the batteries are com- pletely discharged, an acoustic signal is produced. Adjusting the head
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Using the RS 125 system Using the RS 125 system To switch the devices on and to listen to your sound source, proceed as follows: Sequence of steps Page 1. Make sure that the rechargeable batteries are 10 charged. 2. Switch your sound source (e.g. TV) on. 12 3. Switch your headphones on. 13 4. Set the desired volume. 15 5. If necessary, set a different channel for your 14 sound source. Switching the transmitter on and off Switching the transmitter on Switch your sound source on. The transmitter
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Using the RS 125 system operation indicator 7 goes off. The transmitter is now in standby mode, its power consumption is very low so that it can remain connected to the mains. When not using the devices for extended periods of time, pull out the mains connector from the wall socket. In this case, however, the headphones’ rechargeable batteries will not be recharged. Switching the headphones on and off CAUTION! Hearing damage due to high volumes! Listening at high volume levels for long periods
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Using the RS 125 system Switching the headphones off Set the ON/OFF switch 4 on the headphones / to the position OFF. The headphones switch off. Always store the headphones on the charging cradle 6 to ensure that they are fully charged when they are needed. Searching for a sound source Make sure that the operation indicator 7 on the trans- mitter is lit. If you do not hear the desired sound source, continue the search: Press the TUNE button 3 on the headphones until you have found your so
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Using the RS 125 system Changing the transmission channel If several transmitters are operated simultaneously and are very close to one another, the sound quality can deteriorate and you hear e.g. hissing noise. To improve the sound quality, change the transmission channel: Set the channel selector switch 9 on the transmitter to channel 1, 2 or 3. 9 To set the headphones to the selected channel: Press the TUNE button3 on the headphones. Adjusting the volume Use the volume control 2 to adj
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Using the RS 125 system Switching the acoustic signals (beeps) on and off An overview of the acoustic signals is given on page 6. The acoustic signals can be switched on and off as follows: Switch the headphones on (see page 13). Press the TUNE button3 for 5 seconds. Switch the headphones off for testing (see page 13). If the acoustic signals are switched on, the headphones produce a sequence of three beeps at switch-off. If no beeps are produced, the acoustic signals are now switched off.
