Harman-Kardon AVR 645 Sub Mode Setting, Following options are available, Subwoofer Size

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System Configuration

Sub Mode Setting

When the Front Left/Right speakers are con- figured as “Large” and a subwoofer is detected by EzSet/EQ or manually configured as being available, additional options are available to further customize bass redirection. To change these settings, first make sure that the SPEAKER SIZE menu (Figure 19) is on the screen, and then press the ⁄/¤ Navigation Button E so that the cursor is pointing to SUB MODE. Press the ‹/› Navigation Button E to begin the selection process, and note that the warning message (Figure 20) will appear reminding you to rerun EzSet/EQ after all changes have been made.

The following options are available:

•The default setting for Large front left/right speakers when a subwoofer is present is SUB L/R + LFE. In this mode, all sounds below the crossover point set on the LFE LP FLT line will be sent to BOTH the subwoofer and the front left/right speakers.

•To send only the LFE channel information to the subwoofer, but have all other (“derived”) low-frequency sounds sent to the front left/right speakers, select the SUB (LFE) setting.

•To have low-frequency information sent to the subwoofer only when Large speakers are selected, choose SUB (L/R). This option is only available when the unit is set to SURROUND OFF so that a pure analog audio path is provided.

•When no subwoofer is present and Large speakers are configured for the front left/right position, select NONE. This will route all low- frequency information to the front left/right speakers.

When the SPEAKER SIZE menu returns to the screen, replacing the warning message, press the ‹/› Navigation Button E to make your selection. When the desired setting appears, press the ⁄/¤ Navigation Button E to move the cursor to any other line on this menu where you wish to make a setting change, or go to the BACK TO MANUAL SETUP menu and then press the Set Button F to continue with overall configuration.

Subwoofer Size

The final setting on the SPEAKER SIZE menu enables you to change the setting for the subwoofer size. In the event that EzSet/EQ did not accurately enter the correct size, or if you wish to experiment with a different setting, first make sure that the SPEAKER SIZE menu (Figure 19) is on the screen; then press the ⁄/¤ Navigation Button E so that the cursor is pointing to SUB SIZE and then press the ‹/› Navigation Button E to begin the selection process. Note that a warning message will appear for 4 seconds to remind you to rerun EzSet/EQ after all changes have been made.

Select a setting that best matches the diameter of your subwoofer’s driver, or which provides the appropriate high-pass filter setting for your sys- tem. In each case, the frequency of the high-pass filter determines the frequencies below which no information is sent to the subwoofer:

•The setting for an 8-inch/200mm driver activates a 38Hz subwoofer high-pass filter.

•The setting for a 10-inch/250mm driver activates a 30Hz subwoofer high-pass filter.

•The setting for a 12-inch/305mm driver activates a 20Hz subwoofer high-pass filter.

•The setting for a 15-inch/380mm driver activates a 15Hz subwoofer high-pass filter.

When all changes to Speaker-related settings have been made, press the ⁄/¤ Navigation Button E until the cursor is on the BACK TO MANUAL SETUP menu and then pressing the Set Button F so that you may make any other adjustments to the system parameters. It is also important to remember to rerun the EzSet/EQ system if any changes have been made to the settings on this menu, following the instructions shown on page 33 for using the Manual mode.

The Speaker Configuration may also be changed at any time without using the full-OSD on-screen menu system by pressing the Speaker Selector

6 on the front panel or on the remote control. Once the button is pressed, FRONT SPEAKER will appear in both the lower third of the video display and the Main Information Display ˜.

Within five seconds, either press the ‹/› buttons 7 $ on the front panel or the ⁄/¤ buttons

Eon the remote to select a different speaker position, or press the Set Button @F to begin the adjustment process for the front left and right speakers.

When the Set button @ F has been pressed and the system is ready for a change to the front speaker setting, the on-screen display and Main Information Display ˜ will read FRONT LARGE or FRONT SMALL depending on the current setting. Press the ‹/› buttons 7 $ on the front panel or the ⁄/¤ buttons E on the remote until the desired setting is shown, using the instructions for “large” or “small” shown earlier, then press the Set button @F.

If another speaker position needs to be changed, press the ‹/› buttons 7 $ on the front panel or the ⁄/¤ buttons E on the remote to select a different speaker position, press the Set button @ F and then the ‹/› buttons 7 $ on the front panel or the ⁄/¤ buttons E on the remote until the correct speaker setting is shown and press the Set button @ F again to confirm the selection.

To assist in making these settings, the icons in the Speaker/Channel Input Indicators Ú will change as the speaker type is selected at each position. When only the inner icon box is lit, the speaker is set for “small.” When the inner box and the two outer boxes with circles inside them are lit, the speaker is set for “large." When no indicator appears at a speaker location, that position is set for “none” or “no” speaker.

Note: These icons are available only when making setup changes without the use of the full OSD mode.

As an example, in the Figure below, all speakers are set for “large,” and a subwoofer is set.

Delay Settings

Due the different distances between the listening position for the front channel speakers and the surround speakers, the amount of time it takes for sound to reach your ears from the front or surround speakers is different. You may compensate for this difference through the use of the delay settings to adjust the timing for the specific speaker placement and acoustic conditions in your listening room or home theater.

34SYSTEM CONFIGURATION

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Contents AVR 645 Audio/ Video Receiver Table of Contents Declaration of ConformityDescription and Features IntroductionImportant Safety Information Introduction / Safety InformationUnpacking Front Panel Controls Coaxial Ó To select between the OpticalMore information Surround Back Right Tan Subwoofer LFE Rear Panel ConnectionsSurround Left Blue Surround Right Gray Surround Back Left Digital AudioDigital recorder such as a CD-R or MiniDisc recorder AC Power Cord Jack Connect the ACDigital Audio Outputs Connect these Monitor Component Video Outputs+ and negative terminals AVR 645 when appropriate upgrades are availableRemote IR Carrier Output The output Main Remote Control Functions Light ButtonChannel Direct Inputs the input Movies Disc Skip Button This button has noMain Remote Control Functions Power Off B AVR Selector Zone II Remote Control Functions The Bridge /DMP Selector Media Player DMP Connector Optional is connected to DigitalAnalog Video Equipment Connections Installation and ConnectionsAudio Equipment Connections Output jacksVideo Inputs Hdmi ConnectionsHdmi Input Connections Connection NotesTo the Video 2 or Video 3 Video Audio Hdmi Output ConnectionsScart A/V Connections Important Note for Adapter CablesWith Scart that cannot be switched and pro- vided by the AVR Important Note for the Use SCART-Cinch AdaptersBUS Installation Connections System and Power ConnectionsMain Room Remote Control Extension Multiroom IR LinkSpeaker Selection Speaker PlacementAC Power Connections USB ConnectionsTo manually configure your surround back speaker Channel system for your main listening area seeSystem Setup System ConfigurationUsing the On-Screen Display First Turn OnIn/Out Setup C O U T A L O G Video Monitor Settings Audio SetupSurround Setup Surround Config then press the Set Button FQUsing EzSet/EQ Night Mode SettingsC K So that on is highlighted and press the Set Button F R F I E L D E QSpeaker Size Menu Manual SetupSpeaker Size LFE Low-Pass-Filter Setting SmallFollowing options are available Sub Mode SettingDelay Settings Subwoofer SizeOutput Level Adjustment Volume until you can hear the test noise clearly SetupAdditional Input Adjustments Operation Surround Mode ChartChannel Theater Channel presentation of two-channel stereo programsSource Selection Basic OperationChannel/8-Channel Direct Input Volume Up/Down Buttons Surround Mode SelectionRepeatedly to scroll through the list of available modes Dolby Digital Digital Audio PlaybackUntil Surr OFF appears in the Main Information Display ˜ Rear panel Or front panel *ÓSelecting a Digital Source Digital Bitstream IndicatorsUSB Playback Audio, while the main feature is available Speaker/Channel IndicatorsNight Mode Front Panel In/Outputs UsingTape Recording Puts for Tape OutputsNormal output level adjustment for Output Level Adjustment With Source SignalsMemory Backup EzSet/EQ On/OffFront-Panel-Display Fade Advanced FeaturesTurn On Volume Level Display BrightnessFull-OSD Time Out Adjustment Semi-OSD SettingsDMP/ TheBridgeTMAuto Power Multiroom Operation Multiroom OperationIR Output Infrared Output SelectionMultiroom IR Input Full Carrier IR OutputBasic Tuner Operation Tuner OperationRDS Operation Program Search PTY Up/Down button # until RDS only appears in the displayFor Configuring the RemotePreprogrammed Code Entry Button F appearsLearning Commands Automatic Code EntryDevice Priority Learning Codes for an Input SelectorPress the ¤ Navigation Button E until Changing Devices Macro ProgrammingErasing a Macro Power On VID 2/TV VID 3/Cable AVR Logic 7 OAt the next menu screen press Returning the Volume Control Settings to Default Operation Punch-Through ConfigurationVolume Punch-Through ButtonsTransport Punch-Through Returning the Channel Control Settings to Default OperationAt the next menu screen, press the ⁄¤ Navigation Buttons E untilRenaming ‹ /› Navigation Buttons E as requiredAt this point you have two options Resetting the RemoteSee page 54 for more information Additional Notes on Configuring and Operating the Remote Backlight OptionsPower Switch 1 is pushed Troubleshooting GuideProcessor Reset Press the AVR Selector BVideo Input Defaults System DefaultsSystem Default and Personal Settings Worksheets Worksheet C Delay Defaults and Setting Worksheet B Surround Configuration Defaults and SettingsWorksheet D System Defaults and Settings Worksheet E Input Settings USBTechnical Specifications Harman Consumer Group, Inc

AVR 645 specifications

The Harman-Kardon AVR 645 is a standout receiver that appeals to audiophiles and home theater enthusiasts alike. This model is known for its rich sound quality, extensive features, and user-friendly interface, making it a solid choice for anyone looking to enhance their home entertainment experience.

At the heart of the AVR 645 is its robust amplification system. With a power output of 55 watts per channel at 8 ohms, the receiver provides ample power to drive a variety of speakers. The incorporation of Harman-Kardon's patented Logic 7 processing technology allows for an immersive surround sound experience, creating a sense of depth and realism in audio playback. This feature is particularly beneficial for film and gaming, as it helps to create a multidimensional soundstage that pulls viewers into the action.

The AVR 645 supports a variety of audio formats, including Dolby Digital, DTS, and Pro Logic II, ensuring compatibility with a wide range of media. The receiver is equipped with multiple audio inputs and outputs, including HDMI, optical, and coaxial connections, allowing users to easily connect their DVD players, gaming consoles, and other devices. Additionally, it features a built-in AM/FM tuner for those who enjoy traditional radio.

In terms of video capabilities, the AVR 645 is highly versatile, supporting both standard and high-definition video formats. The receiver includes multiple HDMI inputs, facilitating easy switching between different high-definition sources without compromising video quality. The ability to upconvert lower resolution video to near-HD quality further enhances the viewing experience, making it a great choice for those with diverse video content.

User-friendliness is another highlight of the AVR 645. The intuitive on-screen user interface makes it easy to navigate settings and setup configurations. The Zone II feature allows for audio playback in another room, expanding the potential for whole-home audio solutions.

Ultimately, with its blend of power, quality, and versatility, the Harman-Kardon AVR 645 remains a respected choice among home theater systems, ensuring an elevated audio and visual experience for all users.
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