User manual AKG HEARO 777 SURROUND

[. . . ] You can operate your transmitter with several headphones simultaneously. Make sure to use wireless headphones operating in the same UHF frequency band as the HEARO 777 SURROUND. 2 IVA - Individual Virtual Acoustics One drawback of headphone listening is the psychoacoustic phenomenon of "inside localization": the orchestra seems to play inside your head rather than in the room. AKG developed a binaural audio processing techniquecalled IVA (Individual Virtual Acoustics) that models the way the head and pinnae change the arriving sound waves (ear matching function). [. . . ] Before connecting the transmitter to your audio source, switch the audio source OFF. 5, plug the red RCA connector (right channel) on the supplied jack cable into the red INPUT R socket (14) and the white RCA connector (left channel) into the white INPUT L socket (14) on the transmitter rear panel. If the headphones output on your equipment is a 1/4" jack, plug the supplied mini jack to 1/4" adapter jack onto the jack cable. Before connecting the transmitter to your audio source, switch the audio source OFF. Use the supplied RCA cable to connect the white LINE OUT L or REC OUT L jack on your audio source to the white INPUT L jack (14) on the transmitter rear panel and the red LINE OUT R or REC OUT R jack to the red INPUT R jack (14). 3 Connecting to TAPE Inputs By connecting your HEARO 777 SURROUND to the "TAPE" or "PLAYBACK" inputs on your amplifier, you can enjoy IVA and surround sound through an extra pari of wired headphones in addition to the wireless `phones. Use the supplied RCA cable to connect the white LINE OUT L or REC OUT L jack on your audio source to the white INPUT L jack (14) on the transmitter rear panel and the red LINE OUT R or REC OUT R jack to the red INPUT R jack (14). Use another RCA cable (not supplied) to connect the white "TAPE IN" or "PLAYBACK IN" jack on the amplifier to the white OUTPUT jack (15) on the HEARO 777 SURROUND rear panel and the red "TAPE IN" or "PLAYBACK IN" jack on the amplifier to the red OUTPUT jack (15) on the HEARO 777 SURROUND rear panel. Connect your wired headphones to the headphones jack on your amplifier. Refer to the operating manual of your amplifier for instructions on how to listen to and disable the signal at the TAPE" or "PLAYBACK" input. On most amplifiers, you can push the "TAPE MONITOR" switch IN to listen to the processed signal and OUT to cut the processed signal. Important: In this mode, the loudspeakers will also reproduce the processed signal present at the headphones output. Since IVA and/or surround processed signals are not loudspeaker compatible, mute the loudspeakers while listening through headphones. 3 Charging the Batteries in the Headphones In order to ensure the longest possible service life for the rechargeable batteries, we deliver them uncharged. Therefore, charge the supplied batteries before first operating your headphones system. The supplied batteries have been inserted into the headphones for your convenience. WARNING: If you operate the headphones on dry batteries, never try to charge the batteries using the transmitter's charging feature. The CHARGE LED (7) on the transmitter will light red to indicate that the batteries in the headphones are being charged. If signal is present at the transmitter audio input, the CHARGE LED (7) will light orange. You may leave the headphones on the transmitter for as long as you like without risking to overcharge the batteries. Important: In order to maintain full battery capacity for as long as possible, discharge the batteries completely about once a month: Switch the headphones ON and leave them outside the transmitter until the POWER LED (2) extinguishes. If you feel that you need to recharge the supplied batteries more often than would be convenient, you may consider replacing the batteries with new AAA size 1. [. . . ] Has detected no signal for several minutes, headphones are not on the transmitter, charging function is off, OR . Operating switches on or connecting the transmitter to your audio source may cause clicks which at high volume settings may affect your hearing. Therefore, be sure to set the VOLUME control on the headphones to minimum before switching between different sources (tuner, turntable, CD player, etc. Listening over headphones at high volume levels, particularly over extended periods of time, may damage your hearing. [. . . ]