Harman-Kardon AVR 645 owner manual Volume until you can hear the test noise clearly, Setup

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System Configuration

* CHANNEL ADJUST * FL : 0dB SBR : 0dB

→CEN : 0dB SBL : 0dB

FR : 0dB SL : 0dB

SR : 0dB SW1 : 0dB

TEST TONE: AUTO OFF MAN

LEVEL RESET: OFF ON

CH ADJUST: GLOBAL

EZSET SETTINGS: OFF ON BACK TO MANUAL SETUP

Figure 22

To provide the maximum flexibility, channel output level adjustments may be made either with or without the internal test tone, and when the tone is in use, it may be programmed to automatically circulate among the active channels or to only move from one channel to the next on your command. When the CHANNEL ADJUST menu appears, we recommend that you first run the test tone once in the automatic mode to verify that the speakers have been properly connected. To do this, press the ⁄/¤ Navigation Button EF again until the cursor is on the TEST TONE line and then press the ‹ / › Navigation Button EF until AUTO is in highlighted video. The test tone will then circulate among all channels for five seconds at each position.

IMPORTANT NOTE: Because this test noise will have a much lower level than normal music, the volume must be lowered after the adjustment for all channels is made, but BEFORE you return to the main menu and the test tone turns off.

NOTE: Remember to verify that the speakers have been properly connected. As the test noise circulates, listen to make certain that the sound comes from the speaker position shown in the Main Information Display ˜. If the sound comes from a speaker location that does NOT match the position indicated in the display, turn the AVR off using the Main Power Switch 1 and check the speaker wiring or connections to external power amplifiers to make certain that each speaker is connected to the correct output terminal.

After checking for speaker placement, let the test noise circulate again, and listen to see which channels sound louder than the others. Using the front left speaker as a reference, press the ‹/› Buttons EF on the remote to bring all speakers to the same volume level. When one of the ‹/› buttons is pushed, the test noise circula- tion will pause on the channel being adjusted to give you time to make the adjustment. When you release the button, the circulation will resume after five seconds. The on-screen cursor ➞ and the test noise can also be moved directly to the speaker to be adjusted by pressing the ⁄/¤ buttons EF on the remote.

Continue to adjust the individual channels until the volume level sounds the same from each speaker. Note that adjustments should be made with the ‹/› Buttons EF on the remote only, NOT the main volume controls.

If you are using a sound-pressure level (SPL) meter for precise level adjustment with the test

tone, open the main Volume Control to -15dB and set the individual output level for each channel so that the meter reads 75dB, C-Weighted Slow. After all settings are made turn the main volume down.

You may also make these same adjustments with complete manual control over the channel being adjusted by pressing the⁄/¤ Navigation Button EF until the ➞ cursor is pointing to the TEST TONE line on the menu and then using the ‹/› Navigation Button EF to select MAN in the highlighted video. In the MAN mode, the test tone will also start immediately, but the tone will only be moved to another channel by pressing the ⁄/¤ Navigation Button EF. When the manual sequencing mode is active, the tone is turned off by pressing the ⁄/¤ Navigation Button EF until the ➞ cursor is pointing to the TEST TONE line and the ‹/› Navigation Button EF is then pressed to select OFF in the highlighted video.

The final option for tone adjustment using the menu system is to not use the internal test tone at all. To do this, simply use the ⁄/¤ Navigation Button EF to change the channel and then use the ⁄/¤ Navigation Button EF to change the output level. When making channel output adjustments with- out the internal test tone we strongly recom- mend that you use a test disc in the “repeat” mode on your DVD or CD player so that the signal being used is constant throughout the adjustment process.

NOTE: The subwoofer output level is not adjustable using the test tone. To change the subwoofer level, follow the steps for Output Level Trim Adjustment on page 46.

When all channels have an equal volume level, the adjustment is complete. Now turn the

Volume down to about -40dB, otherwise the listening level may be too high as soon as the source’s music starts to play. To exit this menu, press the ⁄/¤ buttons EF until the on-screen ➞ cursor is next to the BACK TO MANUAL SETUP line, and then press the Set Button FQ to return to the MANUAL

SETUP.

The output levels may also be adjusted at any time using the remote control and semi-OSD sys- tem. To adjust the output levels in this fashion, press the Test Button 8. As soon as the button is pressed, the test tone will begin to circulate as indicated earlier. The correct channel from which the test noise should be heard will be shown in the lower third of the video screen and in the Main Information Display ˜. While the test noise is circulating, the proper channel position will also be indicated in the Speaker/ Channel Input Indicators Ú by a blinking letter within the correct channel. Turn up the

Volume until you can hear the test noise clearly.

To adjust the output level, press the ⁄/¤ but- tons E until the desired level is shown in the display or on screen. Once the buttons are released, the test noise will begin to circulate again in five seconds.

IMPORTANT NOTE: The Output level adjustment made will be effective for all inputs, but only for the actual surround mode selected. To be effective for any other mode select that mode (with any input) and repeat the level adjustment described above. This will also allow you to compensate level differences between speakers, that may be different with each surround mode, or to increase or decrease the level of certain speakers intentionally, depending on the surround mode selected.

Note: Output level adjustment is not available for the Surround Off mode, as no surround speakers are used (so level differences between the speakers in the room cannot occur). But to compensate level differences between stereo and other surround modes (independently from the input selected) the outputs can be adjusted with the Level Trim Adjustment procedure, see page 46, also for the Surround Off (Stereo) modes.

In addition to the controls for selecting channels and the test tone operation, the settings on this menu also allow you to reset the level settings to either the factory default of 0dB or to re-estab- lish the settings that were entered by running Ezset/EQ.

To reset all channel levels to 0dB press ⁄/¤ Navigation Button EF so that the cursor is pointing to the LEVEL RESET line and then press the ⁄/¤ Navigation Button EF once so ON appears in highlighted video.

36SYSTEM CONFIGURATION

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Contents AVR 645 Audio/ Video Receiver Table of Contents Declaration of ConformityDescription and Features IntroductionIntroduction / Safety Information Important Safety InformationUnpacking Front Panel Controls To select between the Optical Coaxial ÓMore information Rear Panel Connections Surround Left Blue Surround Right Gray Surround Back LeftSurround Back Right Tan Subwoofer LFE Digital AudioAC Power Cord Jack Connect the AC Digital Audio Outputs Connect theseDigital recorder such as a CD-R or MiniDisc recorder Monitor Component Video OutputsAVR 645 when appropriate upgrades are available + and negative terminalsRemote 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 Zone II Remote Control Functions Power Off B AVR Selector The Bridge /DMP Selector Media Player DMP Connector Optional is connected to DigitalInstallation and Connections Audio Equipment ConnectionsAnalog Video Equipment Connections Output jacksHdmi Connections Hdmi Input ConnectionsVideo Inputs Connection NotesHdmi Output Connections Scart A/V ConnectionsTo the Video 2 or Video 3 Video Audio Important Note for Adapter CablesWith Scart that cannot be switched and pro- vided by the AVR Important Note for the Use SCART-Cinch AdaptersSystem and Power Connections Main Room Remote Control ExtensionBUS Installation Connections Multiroom IR LinkSpeaker Placement AC Power ConnectionsSpeaker Selection USB ConnectionsTo manually configure your surround back speaker Channel system for your main listening area seeSystem Configuration Using the On-Screen DisplaySystem Setup 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 QManual Setup Speaker Size MenuSpeaker Size LFE Low-Pass-Filter Setting SmallSub Mode Setting Delay SettingsFollowing options are available Subwoofer SizeOutput Level Adjustment Volume until you can hear the test noise clearly SetupAdditional Input Adjustments Surround Mode Chart OperationChannel Theater Channel presentation of two-channel stereo programsBasic Operation Source SelectionChannel/8-Channel Direct Input Surround Mode Selection Volume Up/Down ButtonsRepeatedly to scroll through the list of available modes Digital Audio Playback Until Surr OFF appears in the Main Information Display ˜Dolby Digital Rear panel Or front panel *ÓDigital Bitstream Indicators Selecting a Digital SourceUSB Playback Speaker/Channel Indicators Audio, while the main feature is availableNight Mode Using Tape RecordingFront Panel In/Outputs Puts for Tape OutputsOutput Level Adjustment With Source Signals Memory BackupNormal output level adjustment for EzSet/EQ On/OffAdvanced Features Turn On Volume LevelFront-Panel-Display Fade Display BrightnessSemi-OSD Settings Full-OSD Time Out AdjustmentDMP/ TheBridgeTMAuto Power Multiroom Operation Multiroom OperationInfrared Output Selection Multiroom IR InputIR Output Full Carrier IR OutputTuner Operation Basic Tuner OperationRDS Operation Program Search PTY Up/Down button # until RDS only appears in the displayConfiguring the Remote Preprogrammed Code EntryFor Button F appearsLearning Commands Automatic Code EntryLearning Codes for an Input Selector Device PriorityPress the ¤ Navigation Button E until Changing Devices Macro ProgrammingPower On VID 2/TV VID 3/Cable AVR Logic 7 O Erasing a MacroAt the next menu screen press Punch-Through Configuration Volume Punch-ThroughReturning the Volume Control Settings to Default Operation ButtonsReturning the Channel Control Settings to Default Operation At the next menu screen, press the ⁄¤Transport Punch-Through Navigation Buttons E untilRenaming ‹ /› Navigation Buttons E as requiredResetting the Remote At this point you have two optionsSee page 54 for more information Additional Notes on Configuring and Operating the Remote Backlight OptionsTroubleshooting Guide Processor ResetPower Switch 1 is pushed Press the AVR Selector BSystem Defaults Video Input DefaultsSystem Default and Personal Settings Worksheets Worksheet B Surround Configuration Defaults and Settings Worksheet C Delay Defaults and SettingWorksheet 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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