CAMBLISS CM18 User manual

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Contents
1Important Safety Information 3
2The CM18 Wireless Headphones 4
-Inside the box 4
-Headphone Overview 6
3Get Started 8
4Using your headphones 11
5Technical Specifications & Functions 14

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1 Important Safety Information
Make sure you read and follow the understated guidelines while using
your headphone unit-
Always set the volume to a safe level and avoid using the
headphones for longer period of time continuously, to avoid
hearing damage.
In case you choose to use high volume, and then make sure, you
limit your usage time to a shorter period.
Do not increase the volume abruptly, instead turn up the volume
gradually to avoid hearing damage.
Using the noise cancelling headphones (or headphones in
general) while driving may lead to serious consequences and can

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be deemed as a legal offence. Avoid any such distractions for your
own safety as well as other’s safety.
2 The CM 18 Wireless Headphones
Cambliss warmly welcomes you to it’s customer base.
The CM 18 Wireless Headphones will enhance your experience
of listening music.
Inside the Box
The following things must have been included in the box.
Headphone
3.5 mm Audio Cable
USB cable for charging
Headphone Case
User Manual
Cambliss Stickers

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Headphone Overview
The following diagram is the description of your headphone and its
parts.

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(1) ANC Status Indicator
(2) Noise Reduction Switch
(3) “+” Key – Volume up & Next Song
(4) Bluetooth Switch
(5) “- “Key- Volume Down & Previous Song
(6) Bluetooth connection status and Charging status Indicator
(7) 3.5 mm Audio Jack
(8) Microphone
(9) Charging Socket

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3 Get Started
Charging
Turn off your headphones when it indicates “low battery”.
Connect the headphone’s USB charging point to a 5 V powers
supply.
The red light indicates that the device is charging
The charging light turns off once the charging Is over
Headphone Pairing
Press the power button and hold it for 5 seconds until
the light flickers.

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The headset would be ready for pairing after the voice note
“ready to pair”.
Turn on the Bluetooth of the other pairing device, search for
CM18 and click “connect”.
The blue light flickers once there is an established successful
pairing.
Turn on automatic pairing in your other Bluetooth device if you
do not wish to search for your headphone again the second time
or any other future pairings with the same device.

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4 Using your Headphones
Play Music
Gently press the power button to play/stop music.
The volume can be increased and decreased with the + and –keys
respectively.
Gently press the “+” key and hold it for 3 seconds to change to
the next song.
Gently press the “- “key and hold it for 3 seconds to change back
to the previous song

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Call
Press the power key to answer calls through Bluetooth.
Press the same power key to end the call.
Press the power key and hold it for 3-4 seconds if you wish to
reject an incoming call.
Press the power key twice in a row to make a call to the last
dialled number from your phone book.

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Wired Function
If you wish to use the wire instead of the Bluetooth function-
Turn off your headphones.
Attach one end of the audio cable (provided in the package) to
the wire jack on your headphones and connect the other end of
the audio cable to your phone/laptop/music device.
Make sure the Noise Cancellation key is switched off when using
the wired mode.
In this mode, the functions are controlled by your music device
and not your headphone.

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5 Technical Specifications & Functions
Headset Parameters (Wireless Mode)
Version: CSIR 4.1
Receiving Distance: 10 metres
Pairing Password: 0000
Signal to Noise Ratio (SNR): 92 dBm
Carrier Frequency: 2.400 to 2.480 GHz
Transmit Power: 4dBm (maximum)
Battery Life: 10 Hours (Bluetooth + ANC)
40 Hours (ANC)
20 Hours (Bluetooth)
Charging Time: 3 Hours

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Noise Reduction Function
The noise cancellation circuit has a sensor the senses the noise in
your surrounding through a built-in microphone. It then tries and
levels the noise in your headphone with equal and opposite
cancellation signals.
This noise cancellation effect is not noticeable in a quiet
environment.
The noise cancellation varies depending on how you wear the
unit. If you hear a squeaking sound, remove the unit and try
wearing it again.

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The noise cancellation effect is more prominent with lower
frequency noise. The noise can be reduced but cannot be
completely eliminated.
There is a chance of noise/interference when a mobile phone is
closer to the unit. In this case, move the mobile away from the
headphone unit to stop the interference.
Covering the microphone of your headphone might hamper the
noise cancelling effect leading to an unpleasant squeaking or
buzzing sound.

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Bluetooth Communication
The Bluetooth wireless technology operates within an
approximate range of 10 metres and may vary depending on any
electromagnetic environments or obstacles (walls, metals, body,
etc).
The following conditions may hamper the Bluetooth
communication with potential audio loss in some instances-
Someone in between the Bluetooth device and the unit.
Obstacles (walls, metals, etc.) between the Bluetooth device and
unit.
Devices working with similar frequency (2.4 GHz) like Wi-Fi, etc.
near the headphone unit.

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