User manual TECHNICS SU-VX800 service manual

[. . . ] The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off. If you are not going to use the receiver for a long time, be sure to disconnect the receiver from the wall outlet. To disconnect the AC power cord, grasp the plug itself; never pull the cord. AC power cord must be changed only at the qualified service shop. [. . . ] For example, if you listen to CD with HALL as the sound field, change to a different program source, then return to CD, HALL will be applied again. With the tuner, sound fields are memorized separately for AM, FM, and all preset stations. Dolby Digital discs are labeled with the logo, and Dolby Surround encoded programs are labeled with the A logo. Software with multi channel surround audio signals is played according to the way it was recorded. Software with two channel audio signals, is decoded with Dolby Pro Logic to create surround effects. This is a standard mode, great for watching most type of movie. This mode is ideal for watching sciencefiction or action movies with lots of sound effects. This mode is ideal for watching musicals or classic films where music is featured in the soundtrack. Uses 3D sound imaging to create an array of virtual rear speakers positioned higher than the listener from a single pair of actual rear speakers. Uses 3D sound imaging to create virtual rear speakers from the sound of the front speakers without using actual rear speakers. This mode creates five sets of virtual speakers surrounding the listener at a 30° angle of elevation. 2 PRO LOGIC Lights up when the receiver applies Pro Logic processing to two channel signals in order to output the center and surround channel signals. ** ** However, this indicator does not light if the center and rear speakers are set to "NO", or the SPEAKER button is set to "OFF" and the A. Or NORMAL SURROUND sound fields are selected. 3 OPT Lights up when the source signal is a digital signal being input through the OPT terminal. 4 COAX Lights up when the source signal is a digital signal being input through the COAX terminal. 5; Lights up when Dolby Digital (AC-3) signals are input. 6 dts Lights up when DTS signals are input. Note When playing a DTS format disc, be sure that you have made digital connections and that INPUT MODE is NOT set to ANALOG (see 3 on page 23). Source sound displays The letters (L, C, R, etc. The box around the letters varies to show how the receiver downmixes the source sound (based on the speakers settings). When using music sound modes such as HALL or JAZZ CLUB, the receiver adds reverberation based on the source sound. [. . . ] Compared with the former Dolby Surround system, Dolby Pro Logic Surround reproduces left-to-right panning more naturally and localizes sounds more precisely. To take full advantage of Dolby Pro Logic Surround, you should have one pair of rear speakers and a center speaker. You can make various settings using the LEVEL, SUR, BASS/TREBLE, SET UP buttons, jog dial, and cursor buttons. The table below shows each of the settings that these buttons can make. [. . . ]