User manual ACOUSTIC RESEARCH X-10 service manual

[. . . ] Install this system so that the power cord can be unplugged from the wall socket immediately in the event of trouble. Don't throw away the battery with general house waste, dispose of it correctly as chemical waste. Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems) This symbol on the product or on its packaging indicates that this product shall not be treated as household waste. Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment. [. . . ] When the front speakers are set to "SMALL, " the center, surround, and 68GB Surround back speakers are also automatically set to "SMALL" (unless previously set to "NO"). LARGE If you connect a large speaker that will effectively reproduce bass frequencies, select "LARGE. " However, if the front speakers are set to "SMALL, " you cannot set the center speaker to "LARGE. " · SMALL If the sound is distorted, or you feel a lack of surround effects when using multi-channel surround sound, select "SMALL" to activate the bass redirection circuitry and output the center channel bass frequencies from the front speakers (if set to "LARGE") or sub woofer. ⷠNO If you have not connected a center speaker, select "NO, " the sound of the center channel will be output from the front speakers. ⷠMIX We recommend you set "CENTER SP" to "MIX" to enjoy digital audio with high quality sound when you do not have a center speaker connected. The bass redirection circuitry and output the surround channel bass frequencies from the sub woofer or other "LARGE" speakers. ⷠNO If you have not connected surround speakers, select "NO. When the surround speakers are set to "NO, " the surround back speakers are also automatically set to "NO" and the setting cannot be changed. ⷠDUAL If you connect two surround back speakers, select "DUAL. SINGLE If you connect only one surround back speaker, select "SINGLE. Place the speakers so that the difference in the length of B in the following diagram is no more than 1. Also, the distance between the surround speakers/ surround back speakers and the listening position C cannot be more than 4. 5 meters closer than the distance between the listening position and the front speakers A. Place the speakers so that the difference in the length of C in the following diagram is no more than 4. This is important because incorrect speaker placement is not conductive to the enjoyment of surround sound. Place note that placing the speakers closer than the required will cause a delay in the output of the sound from that speaker. Lets you specify the location of your surround speakers for proper implementation of the surround effects in the Cinema Studio EX modes (page 77). This setup item is not available when the surround speakers are set to "NO" (page 69). Those sound fields were designed under the premise that the surround speakers would be located behind the listening position, but presentation remains fairly consistent even with the surround speakers positioned at a rather wide angle. However, if the speakers are pointing toward the listener from the immediate left and right of the listening position, the surround effects become unclear unless set to "SIDE. " Nevertheless, each listening environment has many variables, such as wall reflections, and you may obtain better results using "BEHD" if your speakers are located high above the listening position, even if they are located to the immediate left and right. [. . . ] ⷠSound fields do not function for signals with a sampling frequency of more than 48 kHz. , to the digital input jacks of this receiver, make sure the setting for the digital audio output of the connected component is available. Check whether the input source of the software being played back corresponds to the multi-channel format. Check whether the digital audio output of selected input is not assigned to another component input using DIGITAL ASSIGN function (page 91). [. . . ]