the OSD. The selected menu item should be left front.

4.Use the and buttons to adjust the channel trim. You can adjust the selected channel trim level in 1dB steps across a range of -15dB to +10dB.

5.Press the button when you have finished making the channel trim adjustment. If necessary, repeat steps 4 and 5 until you have completed setting the level for each speaker in your system.

6.Press the button when you have finished making the channel trim adjustment to all the speakers in your system to select the return to main menu option.

7.Press the select or menu button to return to the main menu, or press the menu button twice to exit.

To adjust channel trim using the trim function:

1.Press the ch. trim button on the front panel or the remote control. The front panel display and the OSD will show the following:

2.Use the and buttons to adjust the channel trim level. You can adjust the selected channel level in 1dB steps across a range of -15dB to +10dB.

3.When you are finished adjusting the channel trim for the selected speaker, press trim again to cycle to the next channel. The unit cycles through the speakers in the following sequence:

left front, center front, right front, right surr, right back (surround), left back (surround), left surr, subwoofer

If necessary, repeat steps 2 and 3 until you have adjusted the channel trim of all the speakers in your system.

4.Press the ch. trim button on the remote control again to exit the channel trim function.

Remember to return any channel(s) that you have trimmed back to the original setting when you are done watching the particular program. If you find you are continually trimming the same channel(s) by the same amount for every film, you might want to consider re-calibrating the speaker levels as shown in the section, “channel calibra- tion”. Set the levels for the channel(s) up or down by the amount you normally trim them.

3.6 Delay Configuration

Setting the speaker delay is crucial to the proper perfor- mance of any surround decoder component like the GTP-

880.Your home theater system will not perform properly if this process is not completed.

To accomplish this process you will need a tape measure or other means of determining the distance of each speaker from the primary listening position.

To set the speaker distance delays for your speakers:

1.Press the menu button to enter the main menu. The main menu appears the OSD. The cursor on the OSD should be pointing to the input configuration menu.

2.Press the button until the delay configuration menu is selected.

3.Press select to enter the delay configuration menu.

The delay configuration menu appears on the front panel display and the OSD. The selected menu item should be front L/R delay.

Before setting the speaker distances, you need to choose what unit of distance you will be using.

4.Press the button repeatedly until the distance unit menu is selected.

5.Use the and buttons to select between feet and meters.

6.Press the button repeatedly until you return to the front distance menu. To set the distance for each group speakers in your system, you will need to measure, the distances from your chosen listening/viewing position to the various loudspeakers in your system.

Set the distance for the front L/R speakers to the nearest foot/meter. Rounding up is OK. Distances can be set in the following increments:

Feet 0 to 20 feet in 1 foot increments.

Meters 0 to 6 meters in 0.3 meter increments.

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Adcom GTP-880 owner manual Delay Configuration, To adjust channel trim using the trim function
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GTP-880 specifications

The Adcom GTP-880 is a high-performance home theater preamp and processor that has garnered attention for its impressive features and audio quality. Designed for audiophiles and home theater enthusiasts alike, the GTP-880 stands out due to its versatile functionality and advanced technology.

One of the main features of the Adcom GTP-880 is its multi-channel audio processing capability. Supporting formats such as DTS, Dolby Digital, and several others, this preamp ensures that users experience immersive sound in their home theater systems. This cinematic audio experience is complemented by a well-executed surround sound setup, allowing users to achieve the kind of high-fidelity output traditionally found in professional environments.

The GTP-880 is also equipped with a range of inputs and outputs that enhance its versatility. It includes multiple digital inputs - including coaxial and optical options - alongside standard analog inputs. This extensive connectivity makes it easy to integrate various devices from CD players to gaming consoles, ensuring flexibility in how users configure their systems. Moreover, the inclusion of balanced XLR outputs aids in minimizing noise for clearer sound reproduction.

Technologically, the Adcom GTP-880 employs advanced circuitry designs that contribute to its high-performance audio. The use of high-quality components offers not only durability but also superior sound fidelity. It also features a sophisticated user interface that makes navigating options effortless, including customizing sound settings and adjusting levels.

In terms of build quality, the GTP-880 showcases an elegant design that fits seamlessly into most home entertainment setups. Its sturdy construction ensures reliability and longevity, while the sleek appearance makes it a visually appealing component in any audio setup.

Another notable characteristic is the remote control functionality, which adds convenience for users looking to manage their home theater system from a distance. Additionally, the unit provides multiple setup options, catering to different room acoustics and personal preferences.

In summary, the Adcom GTP-880 is a remarkable preamp and processor, marrying advanced audio processing technologies with excellent build quality and flexibility. Its blend of features allows for an unparalleled audio experience, making it an ideal choice for home theater aficionados seeking to elevate their audio experience. Whether it’s for movies, music, or gaming, the GTP-880 stands as a formidable choice in the landscape of home audio equipment.
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