Sony MDR-RF920RK Operating Manual - Page 13

Problem Solution Distortion If the transmitter is connected to the headphone jack, volume of the connected audio/video equipment. Change the radio frequency with the CHANNEL selector on the transmitter. The headphones' POWER indicator light is weak or turned off. • Charge the supplied rechargeable batteries or if the POWER indicator is still off after charging the supplied rechargeable batteries, take the headphones to a Sony dealer for replacement of the rechargeable battery. If you connect the transmitter to the LINE OUT or REC OUT jacks of an audio reproducer, make sure that the NOISE FILTER switch is set to OFF. Loud Move closer to the transmitter. As background you move away from the transmitter, noise more noise is likely to be heard. If the transmitter is connected to the headphones jack, turn up the volume of the connected audio/video equipment. MDR-RF920RK: Change the radio frequency with the CHANNEL selector on the transmitter, then tune the headphones with the TUNE control. MDR-RF960RK: Change the radio frequency with the CHANNEL selector on the transmitter, then press the TUNE button again. The headphones' POWER indicator light is weak or turned off. • Charge the supplied rechargeable batteries or if the POWER indicator is still off after charging the supplied rechargeable batteries, take the headphones to a Sony dealer for replacement of the rechargeable battery. If you connect the transmitter to the LINE OUT or REC OUT jacks of an audio reproducer, make sure that the NOISE FILTER switch is set to OFF. Specifications General Carrier frequency 913.5 - 914.5 MHz Channel Ch1, Ch2, Ch3 Modulation FM stereo Frequency response MDR-RF920R : 20 - 20,000 Hz MDR-RF960R : 10 - 22,000 Hz Transmitter TMR-RF960R Power source DC 9 V: supplied AC power adaptor Audio input phono jacks/stereo mini jack Dimensions Approx. 133 × 124 × 136 mm (5 1/4 × 5 × 5 3/8 in.) (w/h/d) Mass Approx. 195 g (7 oz.) Headphones MDR-RF920R, MDR-RF960R Power source Supplied rechargeable nickelmetal hydride batteries BPHP550 or commercially available (size AAA) dry batteries Mass Approx. 270 g (9.6 oz.) incl. batteries Optional accessories Audio cable RK-G136 (stereo mini plug y stereo mini plug) RK-C310,C320 (pin plug × 2 y pin plug × 2) Design and specifications are subject to change without notice. 13GB