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Jabra C820s stereo headphones
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3. What your headphones can do
Your Jabra headphones let you do all this:
• Listen to music with or without the noise cancellation feature
• Enjoy a quiet environment thanks to the noise cancellation feature
How does Active Noise Cancellation work?
Active Noise Cancelling headphones are comprised of three parts: the
microphone, which measures the ambient noise, the speaker, and between the
two, the noise cancellation electronics which measures noise and generates
the ‘anti-noise’ response.
Anti-noise is an inverted copy of the noise itself. When anti-noise is combined
with the original sound disturbance it results in a lower level of noise perceived
by our ears.
Specifications
• Frequency response: 20 Hz to 22 kHz • Weight: less than 200 grams
• Impedance: 64 Ohm • Power: 1 x AAA battery
• Noise Cancellation: up to 22dB • Battery life: up to 50 hours
• Dimensions: 174 x 163 x 80 mm
4. Getting started
The Jabra C820s is easy to operate with only one switch on the earcup to
control the Active Noise Cancellation.
5. Inserting the battery
The battery door is located on top of the left ear cup. See fig 2.
1. Open the battery door by pulling it up
2. Insert the AAA battery (positive end facing out)
3. Close the battery door
Note: The battery needs to be changed when the blue LED flashes.
Caution, always use AAA non-rechargeable batteries. Dispose of used batteries
according to the instructions.
6. Turning on the Active Noise Cancellation
1. Slide the headphone switch to the On position See fig 3.
2. The blue LED should activate and the volume of low frequency background
noise should reduce noticeably
7. Connecting the headphones to your audio source
1. Connect the straight end of the detachablecable to your headphones.
See fig 4.
2. Connect the other end to your audio source
3. Press Play on your audio source
4.
You can enjoy the audio with or without the Active Noise Cancellation feature
8. Storing your headphones
1. Turn the headphones off
2. Rotate the earcups to fold the headphones flat
3. Place the headphones and accessories in the carry case. See fig 5.
9. Troubleshooting and FAQ
The noise cancellation is absent
• Make sure the switch is in the correct position (the blue light indicator (LED)
should be on)
• Make sure the battery is inserted correctly and is charged
The audio volume is low or non existent
• Make sure the audio cable is plugged in correctly
• Check the audio volume of your audio source
There is a crackling noise or a loss of noise cancellation
• Change the battery
10. Need more help?
1. Web: www.Jabra.com (for the latest support info and online User Manuals)
2. Phone toll free Monday to Friday
Toll Free No:
Australia: 1-800-083-140 (10:00 – 19:00)
China: 800-858-0789 (08:00 – 19:00)
Hong Kong: 800-968-265 (08:00 – 17:00)
Indonesia: 001-803-852-7664 (08:00 – 17:00)
Japan: 0034-800-400-594 (09:00 – 18:00)
Malaysia: 1800-812-160 (08:00 – 17:00)
New Zealand: 0800-447-982 (12:00 – 21:00)
Singapore: 800-860-0019 (08:00 – 17:00)
Taiwan: 0080-186-3013 (08:00 – 19:00)
India: 000-800-852-1185 (05:30 – 14:30)
Philippines: 1800 765 8068 (08:00 – 17:00)