User manual SONY MDR-RF970R

[. . . ] Do not place heavy objects on top of it. Be sure to connect only the AC adaptor provided with the unit. The rechargeable battery can be recharged about 500 times. If it's operating time becomes extremely short, you should replace it. [. . . ] Approximate recharging and operating time Recharging: 24 hours Operation: 20 hours The adaptor is different for the UK. The OPR indicator on the left hand earpiece (L) dims or fails to light when the batteries are weak. If the OPR indicator on the left hand earpiece (L) dims or fails to light even after recharging the batteries, they have come to the end of their serviceable life and need to be replaced. The batteries can be recharged about 500 times. They need to be replaced when operating time dramatically shortens even after recharging. Dry cell batteries (R03/LR03, AAA) can be also used to power the headphones. ENGLISH The cable can be connected directly to a stereo mini jack or to a large stereo headphone jack if the included plug adaptor is used. Connect the transmitter to a household AC outlet using the supplied AC power adaptor. Disconnect the AC adaptor from the household mains socket if the unit is not going to be used for a long time. The unit is in the standby condition when the AC adaptor is connected. the primary circuit is always "live" as long as the AC adaptor is connected to an electrical outlet. The radio waves from the transmitter may be being interfered with by other radio waves. you can change the frequency to improve reception. If you use the unit near a cordless telephone, it may cause radio interference. Turn the [TUNING] dial on the headphones to the position with least interference. Note Some sound or noise may still be heard even if no sound signals are passing through the transmitter. To clean this unit, wipe with a soft, dry cloth. Never use alcohol, paint thinner or benzine to clean this unit. Before using chemically treated cloth, read the instructions that came with the cloth carefully. ­If you see this symbol­ Information on Disposal for Users of Waste Electrical & Electronic Equipment (private households) This symbol on the products and/or accompanying documents means that used electrical and electronic products should not be mixed with general household waste. For proper treatment, recovery and recycling, please take these products to designated collection points, where they will be accepted on a free of charge basis. Alternatively, in some countries you may be able to return your products to your local retailer upon the purchase of an equivalent new product. [. . . ] Declares that this device is in compliance with provisions of Directive 1999/5 EC. If you want to get a copy of the original DoC of our products which relates to the R&TTE, please contact to our web-address http://www. De This product is intended to be used in the following countries. Approximate recharging and operating time Recharging: 24 hours Operation: 20 hours Note Specifications are subject to change without notice. [. . . ]