User manual NAD 118

[. . . ] If an indoor antenna is used (either built into the set or installed separately), never allow any part of the antenna to touch the metal parts of other electrical appliances such as a lamp, TV set etc. Warning: To reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. The graphic symbol of a lightning flash with an arrow point within a triangle signifies that there is dangerous voltage within the unit and it poses a hazard to anyone removing the cover to gain access to the interior of the unit. Only qualified service personnel should make any such attempt. [. . . ] However, as the DSP processor is active it takes about one second to switch to the next DSP mode when using the DSP Function button (16). The following DSP functions are available: Volume being raised by remote control; indicated volume setting corresponds to approximately to 2 o'clock on volume control knob. Once volume has been changed with the remote control, the position of the volume control knob (22) and the DSP function setting knobs (17, 18 and 19) do not necessarily bear any resemblance to the actual volume and DSP settings. By touching either the Volume Up or Down button on the remote control for an instance the display will be activated for one second showing the volume control setting. As soon as any one of the buttons or controls on the front panel are used (apart from High Gain) the volume setting and all settings for any of the DSP modes will default to the actual position of the controls of the front panel. Alternatively, instead of touching any of the controls on the front panel, press the Front Panel button on the remote control (2 on remote control drawing) to go back to the front panel default setting. The NAD Model 118 has several special Digital Signal Processing (DSP) functions which will allow you to change and enhance the overall sound quality. This button scrolls through the various DSP functions: With this DSP function you can change the tonal balance of the music. BASS: Rotate control 17 on the front panel clockwise or the press the BASS + button on the remote control (section 11 on remote control drawing) to increase the relative level of low-frequencies in the sound. Rotate control 17 on the front panel counter clockwise or the press the BASS - button on the remote control (section 11 on remote control drawing) to decrease the relative level of low-frequencies in the sound. The LEDs in the display area (26) indicate which function is engaged and which of the three controls (17, 18 or 19) can be used to change the settings of that particular DSP function. The desired DSP function can be accessed direct with the remote control by pressing the desired function button (from section 3 on remote control drawing). The LEDs in the display area (26) indicate which function is engaged and which buttons (section 11 on remote control drawing) can be used to change the settings of that function. Rotate control 18 on the front panel counter clockwise or the press the MID - button on the remote control (section 11 on remote control drawing) to decrease the relative level of mid-frequencies in the sound. TREBLE: Rotate control 19 on the front panel clockwise or the press the TREBLE + button on the remote control (section 11 on remote control drawing) to increase the relative level of high-frequencies in the sound. Rotate control 19 on the front panel counter clockwise or the press the TREBLE - button on the remote control (section 11 on remote control drawing) to decrease the relative level of high-frequencies in the sound. Rotate the control (17) fully counter clockwise, or if you are using the remote control, press BASS Down (section 11 on remote control drawing) until the LED bar in the display area (26) indicates minimum level, as in the drawing below. This DSP function works and operates in the same manner to the DSP function described above but BASS has been replaced by a non-adjustable Infrasonic filter. The infrasonic filter removes very low frequencies which can sometimes have a disturbing effect on the overall music quality. These low frequencies, which often do not have any relation to the music itself, can emanate from a turntable or recordings made from it and sometimes even CD players. If these extremely low frequencies aren't filtered out they can put a significant strain on power amplifiers and loudloudspeakers. It is relatively easy to check if any of your program material contains unwanted infrasonic sounds: 1. [. . . ] infrasonic filter Filter to remove the lowest frequencies. Most loudspeakers cannot reproduce these frequencies yet the presence of these frequencies can put a significant strain on both power amplifiers and loudspeakers, in which case it is best filtered out. Three different sampling frequencies are commonly used: 32kHz for radio and television broadcasts, 44. Sudden burst in the signal which can cause distortion if it overloads the ADC and/or DAC, indicated by the Peak LED (23). [. . . ]