RS 185 Digital Wireless Headphone System Instruction Manual Contents Contents Important safety information ...................................................................... 2 The RS 185 digital wireless headphone system ........................................ 5 Package includes ............................................................................................ 6 Product overview ........................................................................................... 7 Overview of the HDR 185 headphones ..................................................... 7 Overview of the TR 185 transmitter .......................................................... 8 Overview of LED indicators .......................................................................... 9 Putting the RS 185 into operation ............................................................ 12 Setting up the transmitter ......................................................................... 12 Connecting the transmitter to an audio source .................................... 13 Connecting the transmitter to an AC wall outlet .................................. 17 Inserting or replacing the rechargeable batteries ................................ 18 Charging the rechargeable batteries ....................................................... 19 Adjusting the headband ............................................................................ 20 Using your RS 185 headphone system ..................................................... 21 Switching your wireless headphone system on .................................... 21 Selecting an audio input ............................................................................. 22 Adjusting the volume ................................................................................. 22 Muting/unmuting the headphones ......................................................... 22 Adjusting the balance ................................................................................. 23 Controlling the input level of analog signals ......................................... 24 Pairing headphones to the transmitter .................................................. 26 Switching your wireless headphones off ................................................ 27 Cleaning and maintaining the RS 185 ...................................................... 28 Replacing the ear pads ............................................................................... 28 Troubleshooting ........................................................................................... 29 Sound problems ........................................................................................... 29 Other problems ............................................................................................ 30 Leaving the range of the transmitter ...................................................... 31 Clearing the pair settings on the headphones ....................................... 31 Specifications ............................................................................................... 32 Manufacturer declarations ......................................................................... 33 RS 185 | 1 Important safety information Important safety information ̈ Read this instruction manual carefully and completely before using the product. ̈ Always include this safety guide when passing the product on to third parties. ̈ Do not use an obviously defective product. Preventing damage to health and accidents ̈ Protect your hearing from high volume levels. Permanent hearing damage may occur when headphones are used at high volume levels for long periods of time. Sennheiser headphones sound exceptionally good at low and medium volume levels. ̈ Do not use the product in situations which require special attention (e.g. in traffic or when performing skilled jobs). ̈ Keep the headphones at least 10 cm/3.94” from cardiac pacemakers or implanted defibrillators. The headphones contain magnets that gener- ate a magnetic field which could cause interference with cardiac pace- makers and implanted defibrillators. ̈ Do not use the product near water and do not expose it to rain or mois- ture to reduce the risk of fire or electric shock. ̈ Keep the product, accessories and packaging parts out of reach of chil- dren and pets to prevent accidents and choking hazards. ̈ Use only power supply units provided by Sennheiser. Preventing damage to the product and malfunctions ̈ Always keep the product dry and do not expose it to extreme tempera- tures to avoid corrosion or deformation. The normal operating tem- perature is from 0 to 40°C/32 to 104°F. ̈ Use the product with care and store it in a clean, dust-free environ- ment. ̈ Do not use the product if it is obviously defective, if it has been dropped or if liquids or objects have gotten inside the product. In this case, con- tact a qualified specialist workshop or your Sennheiser service partner to have the product checked. ̈ Switch the headphones off after use to conserve battery power. Remove the batteries if the product will not be used for extended peri- ods of time. ̈ Unplug the power supply unit from the AC wall outlet – to completely disconnect the product from the power source, – during lightning storms, or – when unused for long periods of time. ̈ Ensure that the power supply unit is – in a safe operating condition and easily accessible, – properly plugged into the AC wall outlet, – operated only within the permissible temperature range, – not exposed to direct sunlight for longer periods of time in order to prevent heat accumulation. 2 | RS 185 Important safety information ̈ Do not place your headphones on a glass dummy head, chair armrest or similar objects for long periods as this can widen the headband and reduce the contact pressure of the headphones. ̈ Varnish or furniture polish may degrade the feet of the transmitter, which could stain your furniture. You should therefore place the trans- mitter on a non-slip pad to avoid potential staining of furniture. ̈ Do not operate the product near heat sources. ̈ Clean the product only with a soft, dry cloth. ̈ Use only attachments/accessories/spare parts supplied or recom- mended by Sennheiser. Intended use/Liability This wireless headphone system is suitable for use with hi-fi systems, TV sets, and home cinema systems and supports both analog and digital sig- nals simultaneously. This product is intended for private domestic use only. It is not suitable for commercial use. This product is also not intended to be used with portable audio devices. It is considered improper use when this product is used for any application not named in this instruction manual and the associated product guides. Sennheiser does not accept liability for damage arising from abuse or mis- use of this product and its attachments/accessories. RS 185 | 3 Important safety information Safety instructions for standard/rechargeable batteries WARNING In extreme cases, the standard/rechargeable batteries may leak and may cause the following hazards if abused or misused: •explosion •fire •heat •smoke/gas Keep away from Do not heat above 70°C/158°F, children. e.g. do not expose to sunlight or throw into a fire. Do not expose to When not using rechargeable moisture. batteries for extended periods of time, charge them regularly (about every 3 months). Do not mutilate or When not using the product for dismantle. an extended period of time, remove the standard/ rechargeable batteries. Observe correct Use only rechargeable polarity. batteries and chargers recommended by Sennheiser. Pack/store standard/ Do not continue using charged rechargeable defective standard/ batteries so that the rechargeable batteries and terminals cannot dispose of them immediately. contact each other – danger of shorting out/ fire hazard. Switch battery- Immediately remove standard/ powered products off rechargeable batteries from an after use. obviously defective product. Charge rechargeable Dispose of standard/ batteries at ambient rechargeable batteries at temperatures between special collection points or 10 and 40°C/50 and return them to your specialist 104°F. dealer. Do not charge standard Do not mix standard and HR03 batteries. LR03 rechargeable batteries in the battery compartments. 4 | RS 185 The RS 185 digital wireless headphone system The RS 185 digital wireless headphone system Created with the music lover in mind, the RS 185 now makes it possible to enjoy dynamic, high-fidelity Sennheiser sound at home without the hassle of wires. These innovative, ergonomically designed, wireless open head- phones deliver amazingly precise sound reproduction in uncompressed digital quality even as you wander from room to room, and they are light and comfortable enough for extended periods of use. Furthermore, the conveniently located manual input level and balance con- trols make setting the listening levels to your individual preference a snap, so you’ll be able to fine-tune the details of each track in stunning acoustic clarity. Just connect the multi-purpose transmitter to your home sound system (via optical or analog inputs) and lose yourself in the music. Sennheiser’s RS 185: The right wireless choice for serious listeners. Features • Wireless, open, circumaural headphones with uncompressed digital audio transmission • Exceptional digital audio clarity and transmission range of up to 100 m/328 ft (line of sight) • High-performance Sennheiser transducers for precise, thrilling sound • Control the sensitivity of your