Sleep Timer

19. Standby & Standby LED

Assuming that the Nº390S is connected to AC power and the main power switch on the rear panel is in the “” position (see Rear Panel, Nº390S), pressing this button takes the Nº390S out of standby mode and enables the front-panel controls.

When the Nº390S’s main power switch is first turned on (or when power is restored after an interruption), the Nº390S will go through a brief initialization and then be ready to operate (that is, it won’t be in standby mode).

Pressing standby again places the Nº390S into standby mode, which turns the display off, turns off all digital outputs, and disables the front-panel controls. The internal circuitry remains powered up in order to maintain its thermal stability and optimum performance at all times.

Pressing standby, drawer, or play will bring the Nº390S out of standby, enabling the front panel controls, and activating the display and outputs.

While the Nº390S is in standby, the LED above the standby button flashes approximately every five seconds. (When the Nº390S is Linked to other Mark Levinson components, all their standby lights will blink in unison.) When the Nº390S is

ready to operate (that is, when it is not in standby mode), this 23 LED remains lit continuously.

As shipped from the factory, the Nº390S will remain on until you deliberately place it in standby. If you prefer for it to automatically enter standby after a particular period of time, press and hold the standby button until the display reads MANUAL. Pressing the next/f.fwd button will advance it in one minute increments to a maximum of 120 minutes. Pressing the prev/rew button will decrease the sleep timer by one minute increments. Reducing the timer setting below 1 minute will return it to normal, MANUAL operation.

These options represent the length of time the Nº390S before it will automatically go into standby. Having made your selection, simply allow the Nº390S to time out (when the display reverts to its normal operation, indicating disc information). You may change your Nº390S back to manual standby mode before it enters standby by reversing this process.

The sleep timer will automatically reset itself to MANUAL after having been activated. In this fashion, you can set it and forget it without having a subsequent listening session interrupted unexpectedly.

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Mark Levinson N390S owner manual Standby & Standby LED, Sleep Timer
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N390S specifications

The Mark Levinson N390S is a high-performance digital to analog converter (DAC) and audio processor that exemplifies the brand's commitment to superior sound quality and advanced technology. Renowned for its exceptional build quality and cutting-edge engineering, the N390S stands out as a centerpiece in high-end audio systems.

At the heart of the N390S is its state-of-the-art DAC architecture. It employs advanced multibit Delta-Sigma architecture, which ensures a precise and accurate conversion of digital audio signals into analog. This results in an incredibly clean and detailed sound signature, allowing users to experience their music as it was intended by the artist. The N390S supports high-resolution audio formats, making it compatible with a wide range of digital sources, including CDs, streaming devices, and high-resolution audio files.

One of the remarkable features of the N390S is its comprehensive connectivity options. It includes multiple digital inputs, such as optical, coaxial, and AES/EBU, as well as USB input for connecting modern computers and media servers. This versatility ensures that users can easily integrate the N390S into their existing audio systems, regardless of the source devices they use.

The N390S is equipped with a sophisticated digital signal processor (DSP) that provides advanced processing capabilities. It includes features like digital filtering and upsampling, which enhance the audio quality by improving the timing and precision of the sound. Users can customize the sound to their liking, providing a tailored listening experience that can adapt to different musical styles and preferences.

In terms of build quality, the N390S features a robust chassis designed to minimize vibrations and external interferences, further preserving audio integrity. The premium components used in its construction lend to its durability and long-lasting performance.

Finally, the user-friendly interface of the N390S, combined with its high-resolution display, makes navigation simple and intuitive. Overall, the Mark Levinson N390S is a remarkable piece of audio technology that delivers exemplary sound quality, luxurious design, and impressive flexibility, making it an ideal choice for audiophiles seeking the ultimate listening experience.
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