Sennheiser CX 120 BT Instruction Manual Download

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Model: CX 120BT

In-Ear Wireless

Instruction manual

Use the search function, the navigation (left) or the following links:

Start

“Product overview”

“Getting started”

“Using the headphones”

“FAQ/If a problem occurs ...”

“Specifications”

Sennheiser electronic GmbH & Co. KG

Am Labor 1

30900 Wedemark

Germany

www.sennheiser.com

Version: 09/20 A01

Summary of Contents for CX 120 BT

Page 1: ...earch function the navigation left or the following links Start Product overview Getting started Using the headphones FAQ If a problem occurs Specifications Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany www sennheiser com Version 09 20 A01 ...

Page 2: ...n the product component containing the magnet and the cardiac pacemaker implanted defibrillator or other implant Do not insert the earphones too deep into your ears and never insert them without ear adapters Always remove the earphones slowly and carefully from your ears Keep the product accessories and packaging parts out of reach of children and pets to prevent accidents Swallowing and chok ing ...

Page 3: ...this product and its attachments accessories Sennheiser is not liable for damages to USB devices that are not con sistent with the USB specifications Sennheiser is not liable for dam ages resulting from the loss of connection due to flat or overaged rechargeable batteries or exceeding the Bluetooth transmission range Before putting into operation please observe the respective coun try specific reg...

Page 4: ...m download Earphones USB charging cable with micro USB and USB A connector Silicone ear adapter set in the following sizes S M pre mounted upon delivery and L Quick guide Safety Guide You can find a list of accessories on the CX 120BT product page at www sennheiser com Contact your local Sennheiser part ner www sennheiser com Service Support ...

Page 5: ...erview Model CX 120BT Overview of the LED display During operation Earphones Bluetooth antenna not visible Cable holder Volume button track Multi function button Volume button track LED Micro USB input Cover for USB socket 2 3 1 9 8 4 6 7 5 ...

Page 6: ...s blue are connected to a device via Blue tooth flashes red are switched off LED Meaning flashes purple Incoming call flashes red Incoming call and the rechargeable battery of the headphones is almost empty If the LED does not light up immediately during charging clean the charging contacts and charge the headphones until the LED lights up again 9 Voice prompt Meaning headphones Power on are switc...

Page 7: ...verview CX 120BT 7 Mute on Microphone is muted active call is put on hold Mute off Microphone is reactivated Recharge headset Rechargeable battery is empty Recharge the headphones Voice prompt Meaning headphones ...

Page 8: ...vice Connect the headphones to your smartphone via Bluetooth 9 3 Selecting suitable ear adapters for optimum fit of the headphones The perceived sound quality and bass performance depends to a large extent on the correct fit of the headphones in the ear Test which ear adapter size gives you the best sound quality and the best wearing comfort You can choose between 3 different ear adapters in size ...

Page 9: ...the USB cable to the micro USB socket of the headphones 2 Connect the USB A connector to a corresponding socket of a USB power source to be ordered separately Make sure that the USB power source is connected to the power supply system The charging process of the headphones begins The LED displays the charge status Connecting the headphones to a Bluetooth device To be able to use the Bluetooth wire...

Page 10: ...eadphones automatically try to connect to the last two connected Bluetooth devices The headphones can save the connection profiles of up to eight Bluetooth devices with which they have been paired If you pair the headphones with the ninth Bluetooth device the saved connection profile of the least used Bluetooth device will be over written If you want to re establish a connection with the overwritt...

Page 11: ...elect CX 120BT If necessary enter the default pin code 0000 If pairing was successful you hear the voice prompt Connected The LED flashes blue 3x Disconnecting the headphones from a Bluetooth device Via the menu of your Bluetooth device disconnect the connection to the headphones The headphones are disconnected from the Bluetooth device You hear the voice prompt Lost connection The headphones then...

Page 12: ...correct fit in the ear Pull the ear adapter away from the in ear sound tunnel Mount the new ear adapter to the in ear sound tunnel Ensure that it locks into place Test which ear adapter size gives you the best sound quality and the best wearing comfort You can choose between 3 different ear adapters in size S M and L The ear adapters must fit snugly in the ear canal and completely seal your ears S...

Page 13: ...tching the headphones on If the earphones fit too loose in the ear canal and fall out easily Try larger ear adapters If you feel immediate pressure when wearing the earphones Try smaller ear adapters 1 2 WARNING Danger of hearing damage due to high volume levels Listening at high volume levels can lead to permanent hearing defects Before putting the headphones on adjust the volume to a low level 1...

Page 14: ...k Make sure that Bluetooth is already activated on your Blue tooth device when switching on the headphones If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within a few minutes you hear the voice prompt Lost connection The LED flashes red The headphones switch to standby mode The headphones automatically switch to idle mode if no paired Bluetooth device can be fou...

Page 15: ...ss than 50 charged In addition the LED lights up purple Between 4 and 6 hours play time Battery is more than 50 charged In addition the LED lights up blue Voice prompt Meaning WARNING Danger of hearing damage due to high volume levels Listening at high volume levels can lead to permanent hearing defects Before putting the headphones on and before toggling between audio sources adjust the volume to...

Page 16: ...unctions are only available when the headphones and the smartphone are connected via Bluetooth Some smartphones may not support all functions The multi function button allows you to control the call functions Making a call Dial the desired number on your smartphone If your smartphone does not automatically transfer the call to the headphones select CX 120BT as the audio source on your smartphone s...

Page 17: ...ction button 2x The microphone is reactivated You hear the voice prompt Mute off Transferring a call to from the headphones When a connection is established you can transfer the call from the headphones to the smartphone or from the smartphone to the head phones Press the multi function button for 1 second respectively Multi function button Function Press 1x Accepts a call Press 1x Ends a call Voi...

Page 18: ... button 2x You hear the voice prompt Redialing Press the multi function button 1x to cancel redialing You hear the voice prompt Call ended Voice control You can only use this function when the headphones are not used for making calls 1 Press the multi function button 3x You hear the voice prompt Voice dialing 2 Say your voice command such as Call Jane The Bluetooth smartphone calls Jane ...

Page 19: ...nnheiser ensures and guarantees that the rechargeable batteries perform at their optimum upon purchase of the product If upon pur chase or within the warranty period you suspect that a rechargeable battery is obviously defective or if a charging error battery error is displayed 5 stop using the product disconnect it from the power supply system and immediately return the product to any Sennheiser ...

Page 20: ...The transmission range largely depends on environmental conditions such as wall thickness wall composition etc With a free line of sight the transmission range of most smartphones and Bluetooth devices is up to 10 meters If you and therefore the headphones leave the Bluetooth transmis sion range of the smartphone the sound quality deteriorates increasingly until you hear the voice prompt Lost conn...

Page 21: ...ensitivity as per ITU T P 79 42 dB V Pa Microphone pick up pattern speech audio omni directional Power supply built in rechargeable lithium polymer battery 3 7 V 100 mAh USB charging 5 V 500 mA max Operating time up to 6 hours A2DP 8 5 hours HFP Charging time of rechargeable batteries approx 1 5 hrs Temperature range operation 0 C to 40 C storage 25 C to 70 C Magnetic field strength 3 6 mT Weight ...

Page 22: ...l lifetime For packaging disposal please observe the legal regulations on waste segregation applicable in your country Further information on the recycling of theses products can be obtained from your municipal administration from the municipal col lection points or from your Sennheiser partner The separate collection of waste electrical and electronic equip ment batteries rechargeable batteries i...

Page 23: ...of Qualcomm Technologies International Ltd registered in the United States and other countries used with per mission Other product and company names mentioned in the user documen tation may be the trademarks or registered trademarks of their respective holders ...

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