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Additional Headphones for RS 145 comfort
HDR 145
Instruction manual
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1 6 5 43 2 BALANCE R L L
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Contents Contents Important safety instructions ................................................ 2 The HDR 145 RF headphones ................................................. 4 Delivery includes ...................................................................... 4 Product overview ..................................................................... 5 Overview of the headphones ................................................ 5 Overview of the acoustic signals ...........................
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Important safety instructions Important safety instructions • Please read this instruction manual carefully and completely before using the device. • Make this instruction manual easily accessible to all users at all times. Always include this instruction manual when passing the device on to third parties. • Do not use the device in situations which require special attention (e.g. when performing skilled jobs). • Always keep the device dry and do not expose it to extreme temperatures. Intended u
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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 children. Only use original Sennheiser rechargeable batteries. Observe correct polarity. Do not short-c
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The HDR 145 RF headphones The HDR 145 RF headphones The HDR 145 headphones are part of the RS 145 comfort RF stereo hi-fi headphone system. The closed, circumaural RF stereo headphones offer excellent sound quality and allow 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 disturbing others
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Product overview Product overview An overview of the headphones is given on the inside front cover of this instruction manual. Overview of the headphones 1 Headband 2 Volume control 3 TUNE button 4 Balance control for R/L volume adjustment 5 ON/OFF switch 6 Earpad Overview of the acoustic signals Acoustic signal Meaning 6 short beeps No signal! Transmitter is switched off or out of range. 2 long beeps Rechargeable batteries are almost flat. Sequence of Headphones have been 3 beeps switched o
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Putting the HDR 145 into operation Putting the HDR 145 into operation Inserting and changing the headphones’ rechargeable batteries Before using the HDR 145 for the first time, you have to insert the supplied rechargeable batteries. Lift the left earpad6 off as described under “Replacing the earpads” on page 11. Insert the rechargeable batteries. Observe correct polarity when inserting the batteries. Put the earpad6 back in place. If the operating time decreases drastically even when the
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Putting the HDR 145 into operation Always store the headphones on the charging cradle 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 on the transmitter flashes slowly. Nearly discharged batteries will significantly reduce the sound quality. Approx. 10 minutes before the batteries are completely discharged, an acoustic signal is produced. Adjusting
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Using the HDR 145 Using the HDR 145 To switch the devices on and to listen to your sound source, proceed as follows (for further information, please refer to the RS 145 comfort instruction manual): Sequence of steps Page 1. Make sure that the rechargeable batteries are 6 charged. 2. Set the volume to a low level. 8 3. Switch your headphones on. 8 4. Set the desired volume. 9 Switching the headphones on and off CAUTION! Hearing damage due to high volumes! Listening at high volume levels for long
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Using the HDR 145 found, the channel search stops. You hear the signal of the found sound source. If you do not hear the sound source after a short while, please refer to the chapter “If a problem occurs ...” on page 12. Switching the headphones off Set the ON/OFF switch5 on the headphones to the position OFF. The headphones switch off. Searching for a sound source Make sure that the operation indicator on the transmitter is lit. If you do not hear the desired sound source, continue the sea
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Using the HDR 145 Adjusting the balance The balance control allows for right/left volume adjustment. Adjust the balance so that you hear equally well with both ears. Turn the balance control4 to the left L or right R in order to increase the volume for the corresponding ear. There is a click-stop in the center position. Switching the acoustic signals (beeps) on and off An overview of the acoustic signals is given on page 5. The acoustic signals can be switched on and off as follows: Switch t
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Cleaning the HDR 145 Cleaning the HDR 145 CAUTION! Liquids can damage the electronics of the devices! Liquids entering the housing of the devices can cause a short-circuit and damage the electronics. Keep all liquids far away from the devices. Do not use any cleansing agents or solvents. Before cleaning, switch the devices off and disconnect the transmitter from the mains. Only use a slightly damp cloth to clean the headphones. Replacing the earpads For reasons of hygiene, you should re
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If a problem occurs ... If a problem occurs ... You cannot hear anything Possible cause Solution Page Are the headphones Move the headphones closer to the 8 still within the transmitter. If necessary, switch the transmitter’s range? headphones on again. Are the Place the headphones on the 6 rechargeable charging cradle. Check the charging batteries charged? indicator. Are the Remove the rechargeable batteries 6 rechargeable and reinsert them into the batteries properly headphones. inserted?
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Accessories and spare parts Accessories and spare parts Only use original Sennheiser accessories and spare parts, otherwise the device quality can be impaired or the devices can be damaged. Cat. No. Accessory/spare part 511792 1 pair of earpads Specifications RS 145 comfort system Modulation FM, stereo Frequency range 863 – 865 MHz Frequency response 18 – 21,000 Hz Signal-to-noise ratio typ. 68 dBA Ambient temperature 0 °C to +40 °C HDR 145 headphones Transducer principle dynamic, circumaural, c
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Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product. For the current warranty conditions, please visit our web site at www.sennheiser.com or contact your Sennheiser partner. CE Declaration of Conformity This equipment is in compliance with the essential requirements and other relevant provisions of Directives 2006/95/EG and 1999/05/EG. The declaration is available on the internet site at www.sennheiser.co
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Sennheiser electronic GmbH & Co. KG Printed in China Am Labor 1, 30900 Wedemark, Germany Publ. 09/08 www.sennheiser.com 532025/A01
