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Important safety information

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RS 175

Important safety information

Read this instruction manual carefully and completely before using the
product.

Always include this instruction manual 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 dam-
age 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.

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.

Keep the product, accessories and packaging parts out of reach of chil-
dren and pets to prevent accidents and choking hazards.

Do not use the product in situations which require special attention
(e.g. in traffic or when performing skilled jobs).

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 only attachments/accessories/spare parts supplied or recom-
mended by Sennheiser.

Unplug the power supply unit from the AC wall outlet if you are not
going to use the product for extended periods of time.

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-splip pad to avoid potential staining of furniture.

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.

Clean the product only with a soft, dry cloth.

Intended use/Liability

This wireless headphone system is suitable for use with hi-fi systems, TV
sets, and home cinema systems that can support either or both analog and
digital inputs.

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 the associated product guides and instruction manual.

Sennheiser does not accept liability for damage arising from abuse or mis-
use of this product and its attachments/accessories.

Summary of Contents for HDR 175

Page 1: ...RS 175 Digital Wireless Headphone System Instuction Manual...

Page 2: ......

Page 3: ...rgeable batteries 18 Adjusting the headband 19 Using your RS 175 headphone system 20 Switching your wireless headphone system on 20 Selecting an audio input 21 Adjusting the volume 21 Muting unmuting...

Page 4: ...o avoid corrosion or deformation The normal operating tem perature is from 0 to 40 C 32 to 104 F Use only attachments accessories spare parts supplied or recom mended by Sennheiser Unplug the power su...

Page 5: ...eable batteries Observe correct polarity Use only rechargeable batteries and chargers recommended by Sennheiser Pack store standard charged rechargeable batteries so that the terminals cannot contact...

Page 6: ...up and enjoy the RS 175 The main controls are located on the headphones so nothing will distract you from an exciting audio experience and the com fortable fit is ideal for extended periods of use Sen...

Page 7: ...lti country adapters EU UK US AU Low self discharge NiMH rechargeable batteries AAA size Optical digital cable 1 5 m Stereo audio cable with 3 5 mm jack plugs 2 m Quick guide Instruction manual CD in...

Page 8: ...rview of the HDR 175 headphones 1 3 2 4 0 9 7 8 6 5 1 Headband 2 Charging contacts 3 Ear pads 4 Ear cups Battery com partments 5 SURR Virtual surround sound button 6 Volume button 7 Volume button 8 BA...

Page 9: ...LED indica tor 3 Virtual surround sound LED indi cators low LO and high HI 4 SURR Virtual surround sound button 5 Charge status LED indicator 6 Charging contacts 7 DIGITAL OPTICAL IN Digital optical a...

Page 10: ...ot disturb you LED indicators on the headphones HDR status LED Meaning The headphones are switched off The transmitter and headphones are connected The transmitter and headphones are connected and the...

Page 11: ...s not charging The rechargeable batteries are being charged The rechargeable batteries are fully charged A charging battery fault has been detected Charge status LED Operating time Battery capacity up...

Page 12: ...ted The dynamic bass boost is activated 4 TR status LED Meaning The transmitter is connected to the AC wall outlet The transmitter is in standby mode The transmitter and headphones are connected The t...

Page 13: ...uitable place near your audio source Separate the transmitter and other wireless devices in a room by at least 50 cm 20 to avoid interference Do not place the transmitter close to metal objects such a...

Page 14: ...a suitable adapter Depending on the connection option selected go to the respective chapter and follow the instructions on how to connect the transmitter to an audio source You can also refer to the...

Page 15: ...ected through the optical digital input DIGITAL OPTICAL IN Refer to the sound menu or the instruction manual of your device to change from another audio stream e g Bitstream to PCM Switch your audio s...

Page 16: ...connect the TV and the trans mitter using a different option A or C Switch your audio source off before connecting the transmitter If necessary connect the adapter 6 3 mm jack plug onto the stereo au...

Page 17: ...adapter onto the stereo audio cable Connect the stereo audio cable to the 3 5 mm jack socket of the trans mitter Connect the RCA plugs to the RCA outputs of your audio source in most cases AUDIO OUT...

Page 18: ...adapter and slide it onto the power supply unit until it locks firmly in place 2 Connect the power supply unit connector to the power input socket of the transmitter 3 Plug the power supply unit into...

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