Haier NCH20 User Manual - Page 4

Specifications Speaker 40mm Dynamic Driver Impedance 32 Ohm +/- 10% Sensitivity 106 dB +/- 3dB @ 1 kHz Frequency Response 20 Hz to 20 kHz Active Noise Reduction >12 dB @ 300 Hz Maximum Power Handling 100mW Weight Approximately 180g (without battery) Using the Noise Cancelling Headphones: 1. Connect to the portable media player. 2. Wear the side marked R on your right ear and the one marked L on your left ear. 3. Turn the power on through the remote controller. 4. Turn on the power of the portable media player or AV equipment. 5. After listening to the music, turn off the power of the headphones. Precautions Do not use the headphones when use of the electronic equipment is prohibited. Do not use headphones when driving and cycling. To prevent hearing damage, avoid using headphones at high volume. FIVE | CARE AND CLEANING 1. Clean your headphones with a damp (never wet) cloth. Solvents or detergents should never be used. 2. Avoid leaving your headphones in direct sunlight or in hot, humid or dusty places. 3. Keep your headphones away from heating appliances and sources of electrical noise such as fluorescent lamps or motors. SIX | TROUBLESHOOTING Symptom Power does not turn on Power does not turn on There is no sound There is no sound Solution Check that the battery is installed correctly Install a fresh battery Check the connection to the AV device is secure Check that the AV device power is switched on