Adcom GTP-870HD user manual Channel Balance, Test Tone, Front / R Front, Surround / R Surround

Page 39

Channel Balance

How can you achieve optimal balance in volume lev- els from all speakers? The GTP-870HD supplies indi- vidual sliders and a “pink noise” test tone to aid you in balancing your speaker levels. For best results, it is recommended that you use a Sound Pressure Level (SPL) meter to precisely measure the volume levels from each speaker. However, your ear aided by ex- perimentation is ultimately the best judge. The fol- lowing is an overview of the Channel Balance menu.

To access the Channel Balance menu:

1Press the Main button on the remote control.

2 Press the Setup button.

3 Use the /buttons to select CHANNEL BAL- ANCE, then press the Select button.

4 Use the /buttons to choose from the follow- ing menu items:

TEST TONE

Generates a “pink noise” test tone that you can move manually from speaker to speaker. This neutral tone provides an effective gauge to measure volume lev- els that is more objective than a movie sound track or other variable signal. Use the /buttons to se- lect:

•On or Off

•If you select On, the test tone does not begin until you first select a speaker (see below).

•If you select Off, the currently selected audio source will be heard instead of the test tone.

L FRONT / R FRONT

Adjusts the relative volume of the left/right front speakers. Use the /buttons to select:

•-10 to +10 dB

CENTER

Adjusts the relative volume of the center speaker. Use the /buttons to select:

•-10 to +10 dB

•If you do not have a center speaker (as set on page 37), the choice will be fixed to N/A.

L SURROUND / R SURROUND

Adjusts the relative volume of the left/right surround speakers. Use the /buttons to select:

•-10 to +10 dB

•If you do not have surround speakers (as set on page 37), the choices will be fixed to N/A.

L SURR BACK / R SURR BACK

Adjusts the relative volume of the left/right surround back speakers. Use the /buttons to select:

•-10 to +10 dB

•If you do not have surround back speakers (as set on page 37), the choices will be fixed to N/A.

SUBWOOFER

Adjusts the relative volume of the subwoofer. Use the /buttons to select:

•-10 to +10 dB

•If you do not have a subwoofer (as set on page 37), the choices will be fixed to N/A.

Notes:

•You can also use the Channel Trim and Test Tone buttons on the remote control to adjust the chan- nel balance.

•Press the Channel Trim button to set the volume levels for each individual speaker.

•Press the Test Tone button to hear a test tone in each speaker.

Chapter 3 - Setup

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GTP-870HD Owner’s Manual

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Contents GTP-870HDPreamp/Processor Copyrights/Trademarks Congratulations on your purchase of the Adcom GTP-870HDTable of Contents Regulatory Information Important Safety InstructionsKey Features IntroductionUnpacking the GTP-870HD About the Remote Control Placing the GTP-870HDInserting the Remote Batteries Front Panel Overview Remote Control Overview Preset/Tune button Volume  / buttonsSetup button Mode buttonRear Panel Overview 11 RS232 control Voltage switchMain power switch Zone 2 IR inputVideo source Surround modeVolume level Display OverviewBefore You Begin Connections OverviewAntenna Input Connecting the AM Loop AntennaConnecting the FM Antenna AM/FM Antenna ConnectionsVideo Input Connecting Audio/Video ComponentsBasic Audio/Video Connections For Advanced ConnectionsHdmi Connections DVD Player ConnectionsComponent/Progressive Scan Connections Digital Audio ConnectionsSpecial Note on Progressive Scan DVD Players Component/Progressive Scan ConnectionsConnecting Digital Audio Components Digital Audio ConnectionsCoaxial Optical Digital Audio About the Hdmi Scaler Connecting Hdmi ComponentsHdmi Connections About HdmiExternal Decoder Connections Connecting a DVD-A/SACD PlayerConnecting a CD Player Connecting a Tape PlayerTape Input Component Video Connections TV/Monitor ConnectionsComposite Video Connections Video ConnectionsPlacing your Speakers Speaker PlacementRight Connecting a 7.1-Channel Amplifier XLRConnecting a 5.1-Channel Amplifier XLR Amplifier Connections XLRPreamp Subwoofer Outputs Connecting a 7.1-Channel Amplifier RCAConnecting a 5.1-Channel Amplifier RCA Connecting a Powered SubwooferConnecting a Video Recorder AudioOutput Video 3 Video Connecting a Tape Recorder Tape Out/Aux ConnectionsTape Aux Output Variable or Fixed Output? Connecting the Zone 2 OutputsConnecting the 12V DC Trigger Connecting a Remote SensorPC Connections Screen/Power Trigger ConnectionsControl Connections Remote IR Sensor ConnectionsTurning on the Power Power ConnectionsChecking the Voltage Switch Connecting the Power CableSetup Overview Setup Navigation Input Configuration HD Scaler Configuration Picture Controls Basic ControlsAdvanced Controls Bass Level Volume/Tone ConfigurationVolume Tone ControlSpeaker Configuration Delay Unit Delay ConfigurationSurround / R Surround Channel BalanceTest Tone Front / R FrontPro Logic IIx/Neo6 Configuration Plii Music Config Center WidthPlii Music Config Dimension NEO6 Music Config Center ImageMute Advanced SettingsRoom 2 Basic Configuration RoomRoom 2 Advanced Configuration System Configuration Erase Name Input LabelingInput Name Edit NameTuner Analog Input LevelVideo 1~4 TapeRemote Control Setup Using Preprogrammed CommandsProgramming Remote Commands Main Commands Video 1-3 Commands Using Preprogrammed CommandsVideo 4 GDV-850 Commands CD GCD-750 Commands Tuner Commands Room 2 Commands Programming a Command Programming Remote CommandsDeleting all Commands for all Components Deleting Remote CommandsDeleting a Command Deleting all Commands for a ComponentProgramming Macro Buttons Programming a Macro ButtonDeleting a Macro button Function Description Data Discrete Remote Control CommandsTuner Step + Operations Overview Tape Playback Basic Audio/Video PlaybackPicture Format External 7.1 PlaybackSelecting Surround Modes Dolby Surround ModesDTS Surround Modes Hall Other Surround ModesTone Control StereoMaking an Audio/Video Recording Basic RecordingTuner Operations Using the Sleep Timer Using the Front Panel Display DimmerSystem Operations Overriding Default Room 2 Settings Room 2 OperationsActivating the Room 2 Output Adcom Protection Plan Product Care & MaintenanceSystem Reset Customer SupportSymptom Possible Reason Possible Solution TroubleshootingTechnical Specifications Index Page East Anderson Drive, Suite Scottsdale, Arizona Voice Fax
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GTP-870HD specifications

The Adcom GTP-870HD is a versatile home theater processor and amplifier, designed to deliver exceptional sound quality and a range of advanced features for audio and video enthusiasts.

At its core, the GTP-870HD supports high-definition audio and video formats, making it a centerpiece for modern home entertainment systems. With its capability to process various surround sound formats, including Dolby Digital, DTS, and advanced multichannel audio formats, it ensures a truly immersive listening experience. The processor is equipped to handle high-definition audio streams, allowing users to enjoy music with clarity and depth that exceeds standard listening experiences.

One of the standout features of the GTP-870HD is its ability to decode high-definition audio formats such as Dolby TrueHD and DTS-HD Master Audio. This is complemented by built-in advanced digital signal processing (DSP), enabling fine-tuning of audio settings to fit the unique acoustics of any room. This attention to detail ensures that every sound is reproduced accurately, whether it’s a subtle dialogue or the crescendo of a cinematic score.

In terms of connections, the GTP-870HD is equipped with an array of inputs and outputs. It includes multiple HDMI ports, allowing for seamless integration with high-definition sources like Blu-ray players, gaming consoles, and streaming devices. The HDMI interfaces support 4K and 3D video pass-through, ensuring compatibility with the latest video technologies. Additionally, the unit features analog inputs, allowing for traditional sources to be connected, making it a flexible choice for varied setups.

The GTP-870HD also boasts advanced user controls with an intuitive on-screen display, enabling easy navigation through settings and configurations. This user-friendly interface enhances the overall experience, making it accessible even for those who may not be as technologically inclined.

Furthermore, the inclusion of advanced room calibration technology optimizes audio playback based on room characteristics, ensuring that sound is balanced and immersive, regardless of the environment.

Overall, the Adcom GTP-870HD is designed for audiophiles and home theater enthusiasts who demand high-quality performance and advanced features. With its robust set of specifications and capabilities, it represents an excellent value for those looking to enhance their home entertainment systems. With the GTP-870HD, users can expect an enriched audio experience that truly brings movies, music, and games to life.
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