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  11

Switching NoiseGard on and off

The following prerequisites must be fulfilled for active
noise compensation, NoiseGard 2.0:

y

a battery or rechargeable battery is inserted and

y

the 

normal

/

bypass

 sliding switch is in the

normal

“ position (see page 10).

To switch on NoiseGard 2.0:

Press the 

ON

/

OFF

 button 

 approx. 1 second. 

The LED

 shines red. 

To switch off NoiseGard 2.0:

Press the 

ON

/

OFF

 button 

 approx. 1 second. 

The LED

 goes out. If NoiseGard is switched off,

you can use the PXC 450 like typical headphones to
listen to music. 

Note:

– Compared to the other buttons of the controller,

the 

ON

/

OFF

 button 

 is set somewhat lower to

avoid accidental switching off.

– If the batteries of the device are empty, the

NoiseGard automatically switches off. However,
the audio signal continues to be transmitted if
you slide the 

normal

/

bypass 

sliding switch  

into “

bypass

“ position (see page 10).

PXC450_517600_0806_SP6.book  Seite 11  Donnerstag, 13. September 2007  10:26 10

Summary of Contents for 500643

Page 1: ...PXC 450 Bedienungsanleitung Instruction Manual Notice d emploi Istruzioni per l uso Instrucciones de uso Gebruiksaanwijzing PXC450_517600_0806_SP6 book Seite 1 Donnerstag 13 September 2007 10 26 10 ...

Page 2: ...eadphones 14 Accessories and replacement parts 15 Care and maintenance 15 Replacing the ear cushions 15 Technical data 16 Manufacturer declaration 17 You have made a great choice This Sennheiser product will serve you many years with reliability and simple operation Your guarantee is the good name of Sennheiser and the competence it has gained in over 60 years of manufacturing high quality electro...

Page 3: ...pose them to either extreme high or low temperatures ideal 10 C to 35 C y Treat headphones with care and store them in a clean dust free location y Switch off the headphones when not in use to spare the batteries Remove the batteries if the headphones will not be used for longer periods y Protect your hearing from loud volumes Sennheiser headphones also sound very good at low volumes Appropriate u...

Page 4: ...short circuit Switch off rechargeable battery operated devices after use Do not solder Remove batteries rechargeable batteries from the device if will not be used for an extended period Do not disassemble or deform Use only appropriate Sennheiser chargers for rechargeable batteries Do not mix batteries and rechargeable batteries without packaging Recharge rechargeable batteries after longer period...

Page 5: ...1 Operating instructions PXC 450 Headphones The PXC 450 is a closed dynamic ear enclosing stereo headset with newest generation active noise compensation NoiseGard 2 0 for use for example with inflight entertainment systems Passive and active tone suppression together enable brilliant music enjoyment even in noisy environments PXC450_517600_0806_SP6 book Seite 4 Donnerstag 13 September 2007 10 26 ...

Page 6: ...ent noise NoiseGard 2 0 electronics creates a sound wave that is phase inverted by 180 to the interfering tone resulting in the two sound waves almost canceling each other out Additional features y Excellent sound quality through patented adaptive baffle damping and duofol diaphragm system y Ideal for traveling comfortable sturdy and folding design with one sided cable connection y Perfectly suite...

Page 7: ...OLUME button TalkThrough button LED red green VOLUME button Ear cushions Battery compartment LED Meaning red NoiseGard 2 0 is switched on see page 11 green TalkThrough is switch on see page 12 flashing Batteries or rechargeable batteries almost empty see page 7 쐋 PXC450_517600_0806_SP6 book Seite 6 Donnerstag 13 September 2007 10 26 10 ...

Page 8: ...hat the normal bypass sliding switch is in the normal setting see page 10 You can also use the headphones without batteries Switch the NoiseGard function off before removing the battery see Switching NoiseGard on and off on page 11 Remove the battery from battery compartment if you will not use the headphones for an extended period If the battery capacity is almost depleted the LED flashes Replace...

Page 9: ... the headband is flat on the head 왘 Check in a loud environment whether the ear cushions are optimally placed to ensure maximum noise damping Connecting the headphones 왘 Connect the audio cable to the headphone bushing of your sound source You will hear the sound from your sound source If the plug on the audio cable does not fit 왘 Use the adapter for 6 3 mm plug bushing see illustration to the lef...

Page 10: ... does not change Listening loud No People like to listen more loudly with headphones than with speakers Loud volumes for extended periods of time can lead to permanent hearing loss Protect your hearing Sennheiser head phones also sound very good at low volumes CAUTION PXC450_517600_0806_SP6 book Seite 9 Donnerstag 13 September 2007 10 26 10 ...

Page 11: ...ies 왘 Fold the left headphone cup as inward as possible as indicated Sliding switch is exposed 왘 Push sliding switch into the bypass setting B Note If the sliding switch is in the B bypass mode the TalkThrough and NoiseGard functions are deactivated To switch back to battery operation return the switch to the normal setting A B A A PXC450_517600_0806_SP6 book Seite 10 Donnerstag 13 September 2007 ...

Page 12: ...Press the ON OFF button approx 1 second The LED goes out If NoiseGard is switched off you can use the PXC 450 like typical headphones to listen to music Note Compared to the other buttons of the controller the ON OFF button is set somewhat lower to avoid accidental switching off If the batteries of the device are empty the NoiseGard automatically switches off However the audio signal continues to ...

Page 13: ...t be fulfilled for the TalkThrough function y a battery or rechargeable battery is inserted y NoiseGard is switched on and y the normal bypass sliding switch is in the nor mal position see page 10 To switch the TalkThrough function on off 왘 Briefly press the TalkThrough button The LED display lights green if the TalkThrough function is switched on Note You cannot adjust the volume of the TalkThrou...

Page 14: ... see illustration To remove the audio cable 왘 Pull the plug of the audio cable out of connection in the direction of the arrow To reconnect the audio cable 왘 Plug the plug of the audio cable into the connection in the direction of the arrow 쐋 PXC450_517600_0806_SP6 book Seite 13 Donnerstag 13 September 2007 10 26 10 ...

Page 15: ...ated To transport the headphones with as much protection as possible 왘 Turn the ear cups 90 왘 Pull out the right side of the headband and then fold inwards 왘 Place the headphones flat into the soft case as illustrated The edge of the soft case has loops for storing up to two micro batteries AAA You can transport the accessories in the lid of the bag Audio adapter 6 3 mm stereo plug Inflight adapte...

Page 16: ... replacement ear cushions as accessories 왘 Hold behind the ear cushions and pull these off from the ear cups 왘 Press the new ear cushions onto the ear cups until they audible lock into place Fluids can destroy the electronics of the device Fluids can penetrate the housing of the device and cause a short circuit of the electronics 왘 Only clean the device with a slightly damp cloth Do not ever use s...

Page 17: ...108 dB SPL Harmonic distortion at 1 kHz 0 1 Cable plug 3 5 mm stereo plug Inflight adapter 2 x 3 5 mm mono plug Audio adapter 6 3 mm stereo plug Cable length 1 4 m Weight without cable and battery 275 g Voltage battery rechargeable battery Micro AAA 1 2 1 5 V Passive sound insulation 32 dB Sound compensation by NoiseGard 23 dB PXC450_517600_0806_SP6 book Seite 16 Donnerstag 13 September 2007 10 26...

Page 18: ...teries and batteries these products have a shorter life due to their condition which concretely depends on the intensity of use on a case by case basis y Defects due to improper use e g operating error mechanical damage incorrect operating voltage Proper use is the use of the product that is described in the ope rating instructions y Defects from wear y Modifications made by you or third parties t...

Page 19: ...lowing country specific regulations must be noted before use WEEE Statement Your Sennheiser product was designed and manufactured using high quality materials and components which may be recycled and re used This symbol indicates that electric and electronic devices at the end of their service life must be disposed of separately from household waste Please dispose of this device at your local comm...

Page 20: ...ectronic GmbH Co KG 30900 Wedemark Germany Phone 49 5130 600 0 Fax 49 5130 600 300 www sennheiser com Printed in China Publ 08 07 517600 A02 PXC450_517600_0806_SP6 book Seite 20 Donnerstag 13 September 2007 10 26 10 ...

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