ページ1に含まれる内容の要旨 
                    
                        Note about Safe Listening Practices
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 
Active Noise 
will help students use audio 
technology responsibly: Canceling 
Califone® International Inc. 
1145 Arroyo Avenue, # A 
Headphone
• Lower the volume
San Fernando, CA 91340 USA
• Limit listening time
Toll Free 800.722.0500 
Toll Free Fax 877.402.2248
Califone al
                    
                    ページ2に含まれる内容の要旨 
                    
                        NC500TFC User Manual School Applications for the  Active Noise Canceling Headphones Unpacking the Unit  Thank you for choosing the Califone®  The Califone NC500TFC Active Noise Canceling Headphone  Inspect the unit once the packaging has been opened for any  Active Noise Canceling Headphone.  can be used on its own for creating the quietest of individual  damage occurred during shipping & contact us immediately.  settings such as during high stakes testing, or connected to  Please keep the packi
                    
                    ページ3に含まれる内容の要旨 
                    
                        Setup & Operation Adjusting the Headphone for Comfort To enable the active noise-canceling system on the NC500TFC, the batteries must be installed as follows: • Identify the left (L) and Right (R) designations located on each side of the headband. The headband      adjusts for a comfortable fit by sliding the top and side of the headband apart as seen in the photo.  • Batteries are located behind the battery compartment cover on the front of the left (L) ear cup.  • Place one hand on the top of 
                    
                    ページ4に含まれる内容の要旨 
                    
                        Troubleshooting Complementary Products No Sound Noise Reduction Absent • Check the connection of the headphones and the AV equipment • Check the headphones to make  • Check that the AV equipment is turned on  sure the power is turned on • Turn up the volume of the headphones or the connected AV equipment • Replace the batteries MP3 Player Complementary Products The NC500TFC headphone can also be used with  the Califone MP3 Player (the first model to feature  dual headphone jacks, a built-in micr