30 RQT8075Frequently asked questionsReference pages are shown in parentheses.GlossaryDown-mixingThis is a process of remixing the multi-channel audio (surround sound) on some discs into twochannels. When you want to listen to the audio on a DVD with a 5.1 channel digital surround trackthrough your television speakers, the down-mixed audio will be output.Some DVD-Audio prevent down-mixing of all or part of their contents. When playing such discs, orsuch parts of the disc, unless the number of connected speakers is the same as the disc’s channelspecification, audio will not be output properly.MPEG4A compression system for use on mobile devices or a network, that allows highly efficient recording ata low bit rate.Sampling frequencySampling is the process of converting the heights of sound wave (analog signal) samples taken at setperiods into digits (digital encoding). Sampling frequency is the number of samples taken per second,so larger numbers mean more faithful reproduction of the original sound.No sound from the unit’sspeakers.Turn off the FM transmitter. (The button changes from orange togreen.) (23)What kind of equipment isnecessary to enjoy 5.1chaudio?Connect to an AV amplifier (that has 5.1ch audio outputterminals) displaying the Dolby Digital/DTS logo. (28)[DVD-A]: This unit plays DVD-Audio in 2 channels. You cannotplay multi channel surround sound.Can I play a DVD-Videobought in another country?You can play if the region number includes “1” or “ALL” and thevideo standard is NTSC. Check the disc jacket.Can I use on an airplane orin a hospital?Electromagnetic waves that are emitted from this unit may affectequipment on an airplane or in a hospital.Please obey the rules and/or instructions indicated by the hospital or airline.Can I use in a car? You can use this unit by connecting with the includedCar DC Adaptor for power. Damage may occur if you do not usethe specified car adaptor. (29)Can I connect with acomputer?You can enjoy use of the computer as a television monitor whenconnecting with the AV input terminal on a computer. However,you cannot operate this unit as peripheral equipment.Do not play your headphones or earphones at a high volume. Hearing experts advise againstcontinuous extended play.If you experience a ringing in your ears, reduce volume or discontinue use.Do not use while operating a motorized vehicle. It may create a traffic hazard and is illegal in many areas.You should use extreme caution or temporarily discontinue use in potentially hazardoussituations.Even if your headphones or earphones are the open-air type designed to let you hear outsidesounds, don’t turn up the volume so high that you can’t hear what’s around you.Sound can be deceiving. Over time your hearing “comfort level” adapts to higher volumes ofsound. So what sounds “normal” can actually be loud and harmful to your hearing.Guard against this by setting your equipment at a safe level BEFORE your hearing adapts.To establish a safe level:≥ Start your volume control at a low setting.≥ Slowly increase the sound until you can hear it comfortably and clearly, and without distortion.Once you have established a comfortable sound level:≥ Leave it there.ELECTRONICINDUSTRIES•ASS OCIATION•EST. 1924Listening cautionFrequently asked questions/Glossary30