Acoustic Research Headphones ARNC01 User Manual

Introduction  
Package Contents  
Inserting your earphones  
Choosing and changing sleeves  
Congratulations on your purchase of the ARNC01 Active Noise-Canceling Headphones.  
The technologically advanced 9.25 mm in-ear headphones actively isolate and cancel  
outside noise with a simple flick of an on/off switch, letting you enjoy crystal clear  
sound on your music player. And the small size of the headphones provides for hours  
of comfortable wear whether you’re enjoying music at home or on the go.  
Before you get started with these earphones, take a moment to get familiar with the  
package contents.  
Individual AR earphones are designed specifically for either the left or right side.  
Experiment with the different sizes in this package to find the right sleeves for you.  
Changing the sleeves is easy.  
Make sure you find the left (L) or right (R) marking on the  
inside of each earphone so you know which side is which.  
Earphones and noise-cancellation activator with clip  
3 silicone earbud sleeves (small, medium and large)  
Airline plug adapter  
User’s guide  
Two AAAA batteries  
1. To remove the sleeve on the  
earphone, pull gently on one sides  
of the sleeve at the base of the stem  
until the sleeve comes off.  
This manual covers connection and detailed operating instructions for setup and  
use of the ARNC01 Active Noise-Canceling Headphones. If, after having reviewed the  
instructions, you have any questions, please call toll-free 1-800-732-6866 or visit  
Left marking  
sleeve  
Installing the Batteries  
The ARNC01 earbuds require a single AAAA battery for active noise canceling.  
2. Position the replacement sleeve at  
a slight downward angle over the  
earphone stem. Gently push the  
sleeve up and onto the stem until it  
fits securely in place.  
Features  
Active noise-canceling technology: A simple on/off switch on the side of the unit  
provides true noise-canceling functionality that delivers high quality sound.  
Make sure the sleeves cover the end of the earphone stems.  
To install the battery:  
Battery  
compartment  
cover  
1. Press and push the battery  
stem  
compartment cover to remove it.  
Ultra-comfortable: 9.25 mm in-ear design provides superior sound insulation  
without compromising comfort.  
2. Insert the battery, matching it to the  
3. Push the end of the sleeve gently  
to make sure it covers the stem  
completely.  
Finally, gently insert your earphones in each ear, just far enough that they fit  
securely—do not push beyond the ear canal opening!  
(+) and (–) marks inside the battery  
compartment.  
2-pin airline jack: Connects the headphones to an airplane’s entertainment system.  
Note: Once you’ve put on your earphones, use the cord adjuster to increase or  
decrease the amount of slack in the cord.  
Convenient power source: The noise cancelation module uses a standard-size AAAA  
battery.  
3. Push the battery cover back into place.  
Connecting to your audio device  
1. Turn the volume of your audio device all the way down.  
2. Plug the earphone mini-plug into the headphone jack on your audio device.  
3. Put on your earphones.  
These earphones come with the small sleeves installed. If these don’t fit the way you  
want them to, try a different size—the next section tells you how to change sleeves.  
Product information  
Battery Precautions: Always remove old, weak or worn-out batteries promptly and recycle or dispose of  
them in accordance with Local and National Regulations.  
Keep your sales receipt to obtain warranty parts and service and for proof of purchase. Attach it here and  
record the model number in case you need it. These numbers are located on the product.  
Model No.:__ARNC01____________Purchase Date:____________________________  
Dealer/Address/Phone:____________________________________________________  
4. Turn up the audio device volume slowly.  
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