Califone NC500TFC Bedienungsanleitung
Active Noise
Canceling
Headphone
NC500TFC
User Manual
1
NC500TFC User Manual
Thank you for choosing the Califone®
Active Noise Canceling Headphone.
When high stakes testing requires the quietest of individual
settings, Califone sets the standard with this headphone.
Designed to provide the utmost in student comfort, sound
quality, and speech clarity, its ability to block background
noise when used with computers, learning centers and
personal media players makes it second to none.
We encourage you to visit our website to register your
headphone for its warranty coverage, and while there please
signup to receive our enewsletter, and learn more about the
complete line of Califone audio visual products including:
Portable and installed wireless PA systems, multi-media
players & recorders, headphones and headsets, computer
peripheral equipment, visual presentation products and
language learning materials.
Register your Headphone
for warranty coverage
http://www.califone.com/registration.php
Unpacking the Unit
Inspect the unit once the packaging has been opened for any
damage occurred during shipping & contact us immediately.
Please keep the packing material for further use.
Warranty Registration
Califone warrants the NC500TFC to be free from defective
material and workmanship for two years from the purchase
date. Our “Project Intercept” Customer Satisfaction program
will replace defective parts and repair malfunctioning
equipment under this warranty when the defect occurs
under normal use.
All Damage Claims Must be made with the Freight Carrier
Notify the freight carrier immediately if you observe any
damage to the shipping carton or product. Repack the unit in
the carton and await inspection by the carrier’s claim agent.
Notify your dealer of the pending freight claim.
Returning your unit for service or repairs
Should your unit require service, contact our Customer
Service Department online at califone.com/techsupport
or via email warranty@califone.com or by phone at
800-722-0500 / 818-407-2400 to rst obtain an RA number
before returning it back to Califone. The unit must be
returned to our factory via prepaid transportation only after
the factory issues an RA (Return Authorization) number
which must be clearly written on the outside of the box.
2
Contents
• NC500TFC Headphone
• Hard case with internal storage pouch
• 4’ cord with in-line volume control & 3.5mm plugs
• 3.5mm to ¼” audio adapter
• Two AAA Alkaline batteries
• User Manual
School Applications for the
Active Noise Canceling Headphones
The NC500TFC Active Noise Canceling Headphone can be used
for creating the quietest of individual settings needed during
high stakes testing when being able to hear content and blocking
external noise is at a premium, or connected to an audio source for
optimal sound quality.
• When connecting the NC500TFC to an audio source for
use as a pair of headphones, plug one end of the cord into
the headphone and other into the audio source (CD or MP3 player,
computer or other multimedia player). When used this way, the
integrated CAL AUDIO™ system automatically enhances harmonics
in the audio signal to increase clarity and richness of the sound.
Note: The batteries do not need to be installed for the NC500TFC
to be used as a regular headphone. It will simply not have the active
noise cancellation functioning.
• To enable the active noise canceling system for additional
reduction of ambient noise, the power must be switched on.
• The active noise canceling system can work simultaneously
while using the headphone to listen to an audio source.
• Without power or a sound source, the headphone will act as
a passive ambient noise-reducing headphone.
3
To enable the active noise-canceling system on the NC500TFC, the batteries must be installed as follows:
• Batteries are located behind the battery compartment cover on the front of the left (L) earcup
saying “open”, with the down arrow.
• To install the batteries, remove the battery compartment cover by pressing down lightly
with both thumbs on the battery compartment cover, and then, gently slide the removable
lid in the direction of the arrow.
• Insert two (2) AAA batteries in accordance with the polarity symbol (+) or (-) marked in the
battery compartment.
• Replace the battery compartment cover with the down arrow on the bottom of the ear cup.
Simultaneously press down lightly and slide the battery cap upwards to lock in place.
• To enable the noise-canceling capability of the NC500TFC headphone, turn the
power switch “(top of right-side earcup)”, and change‘on”to“ON” to the on position.
Note that the power indicator LED should light green.
• The active noise-canceling system of the NC500TFC does not remove all ambient noise. It is only
eective at reducing loudness of certain types of ambient sounds (typically in the bass frequencies).
Also, some high frequency “white” noise may be added when the noise-canceling system is active.
• Although it varies by usage, battery life averages 35 hours. With the headphone’s noise-canceling
turned on, the LED indicator will dim when approximately 30 minutes of battery life remains.
• Rechargeable batteries can be used with the headphone; however, battery life may vary. In addition,
the power indicator LED is not calibrated for rechargeable batteries, and therefore may not be a reliable
indicator of battery output.
• The in-line volume control has no eect on the noise canceling system.
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Setup & Operation
Notes
4
• Identify the left (L) and Right (R) designations located on each side of the headband. The headband
adjusts for a comfortable t by sliding the top and side of the headband apart as seen in the photo.
• Place one hand on the top of the headband and the other hand on the side of the headband and
pull in opposite directions to adjust the size of the headband, and then, place them on your head.
• Now you can make minor adjustments to create a comfortable t.
Note: Pulling down aggressively on the ear cups can damage the headphone. You may want to make several small
adjustments to achieve a perfect t. Always wear the headphones so the cable is positioned on your left.
For protection during travel or storage, the headphone
folds at inside its hard shell protective carrying case.
To store the headphones, do the following:
1. Identify the left (L) and Right (R) designations located
on each side of the headband.
2. Hold the headphones with two hands with the Left (L) ear
cup in your left hand. You should be able to see the power
indicator LED and the ON/OFF switch.
3. Gently turn the ear cups away from you and in opposite directions to
place the headphone in its protective carrying case. If the ear cups do not
turn, stop immediately. Forcing the ear cups may cause them to break.
4. Zip closed the carrying case to protect your headphone from damage.
Adjusting the Headphone for Comfort
Travel & Storage
5
No Sound
• Check the connection of the headphones and the AV equipment
• Check that the AV equipment is turned on
• Turn up the volume of the headphones or the connected AV equipment
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Troubleshooting
Complementary Products
Noise Reduction Absent
• Check the headphones to make
sure the power is turned on
• Replace the batteries
In addition to personal or small group sound elds in the
classroom, teachers and administrators are also turning to the
use of classroom-wide sound elds. Numerous studies verify the
educational benets of sound eld amplication systems, including
increased on-task behavior and student attention to oral instruction,
improved comprehension among ELL students, and reduced
vocal strain and fatigue for teachers.
As administrators strive to meet Common Core assessments goals, they
must also address groups with diverse needs such as ELL, ESL and students
with special needs. Teachers need to convey audio information to students
in all of these groups in a clear, concise manner.
The Classroom Infrared Audio System can help teachers teach and how students learn. The system
includes two array speakers for superior sound distribution (or an optional four speakers for larger rooms).
Array speakers (commonly seen at concerts) focus a narrow band of sound directly at the students instead
of bouncing it o the walls in a random and confusing fashion. This enhanced sound projection improves the
critical signal-to-noise ratio, therefore improving the clarity and intelligibility of the amplied audio. “There is also a port
to connect a secondary audio support system for students with special needs. Read more about this by visiting
http://www.califone.com/casestudies/pairsysbcs_frenchtown.php
PA-IRSYS
Complementary Products
6
3066AVT
Headsets for language learning with mobile devices and laptops.
Learn more at http://www.califone.com/products/3066.php
Recommended Jackbox for listening centers
The rst two-way jackbox for use with tablets and laptops
so students can talk and listen.
Learn more at http://www.califone.com/products/12xx.php
1210T
May 2014
Califone is proud to collaborate
with the American Speech-Language-
Hearing Association (ASHA) to promote
the safe use of personal audio products
in the classroom. These two guidelines
will help students use audio
technology responsibly:
• Lower the volume
• Limit listening time
Califone also recommends
using headphones with ambient
noise reducing earcups.
For more information,
visit listentoyourbuds.org
Note about Safe Listening Practices
Califone® International Inc.
1145 Arroyo Avenue, # A
San Fernando, CA 91340 USA
Toll Free 800.722.0500
Toll Free Fax 877.402.2248
International
Customers call
818.407.2400
Fax 818.407.2405
califone.com
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