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Harman Kardon AVR 645 Owner's Manual

Harman Kardon AVR 645
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that due to the possible impact that will have on the
speaker’s performance. If you do not have access
to the owner’s manual for a particular speaker, you
should be able to obtain the needed information
from the Web site or customer service department
of the speaker’s manufacturer.
To manually adjust the speaker settings, go to the
SPEAKER SIZE menu by pressing the
OSD Button
on the remote and when the
MASTER MENU (Figure 1) appears, press the
/¤ Navigation Button n
©
until the cursor
is on the
EZSET/EQ line and press the Set
Button
p
œ
. Navigate to the EZSET/EQ
MANUAL SETUP
line and press the Set Button
p
œ
. When the MANUAL SETUP menu
(Figure 18) appears, press the
/¤ Navigation
Button
n
©
again until the cursor is on the
SPEAKER SIZE line and press the Set
Button
p
œ
.
On the
SPEAKER SIZE menu (Figure 19)
you will see a display of either the settings that
were established when EzSet/EQ was run, or the
factory default settings if you have not yet run
the automated system.
Figure 19
To change the setting for any of the four speaker posi-
tions, press the
/¤ Navigation Button n
©
until the cursor points to the line where you wish to
make the change. Press the
/ Navigation Button
n
©
to change the setting, but note that when
you do this for the first time in the menu, a warning
message (Figure 20) will appear in the on-screen dis-
play reminding you to rerun EzSet/EQ after you are
finished with any speaker configuration changes. This
is necessary to make any level output adjustments
needed after the setting changes so that the new
configuration will be properly integrated.
Figure 20
The warning message will remain for four seconds and
then the
SPEAKER SIZE menu will return to
the screen. At this point you may change the settings
to the “size” or crossover for any of the four speaker
positions using the
Navigation Buttons n
©
as
shown above. The information below details the set-
tings available for each of the speaker configurations.
At each of the four speaker position lines, you have
the option to set the speaker size and crossover. Note
that the “size” does not refer to the speaker’s actual
physical size, but rather to the ability of the speaker to
reproduce low-frequency information. If your speakers
at any position are traditional full-range models
capable of handling the full audio spectrum, select
LARGE. These speakers are called “large” since
the low-frequency drivers required to play bass without
strain or distortion are typically eight to fifteen inches
in diameter, in turn making the speaker cabinet larger
than those with small (or no) low-frequency drivers.
When the speakers at a particular position are smaller
frequency-limited speakers that do not have the ability
to properly reproduce low-frequency sounds, select
SMALL.
At all speaker positions except for the front left/right
speakers, you may also select
NONE. This setting
tells the system that no speakers are present at that
position, allowing the AVR to select the correct sur-
round modes that are compatible with the number of
speakers installed. For example, in order to use the
Dolby Digital EX, Dolby Pro Logic IIx, DTS-ES, Logic 7/7-
channel and “7 Stereo” modes, you must have either
LARGE or SMALL entered as the setting for
the
BACK SURR channels.
When
LARGE is selected for any channel, a full-
range signal will be sent to the speaker outputs for
that channel. For all speaker positions except the front
left/right, when
LARGE is chosen, no derived
sound will be sent to the subwoofer output, although
in all cases the special low-frequency effects (LFE)
signals available on 5.1 or 6.1 digital programs will
always be sent to the subwoofer output.
When
SMALL is selected for any channel, you may
also enter a setting for the crossover frequency at
which sound is divided between the frequency above
which sound is sent to the channel’s speakers and
below which sound is sent to the subwoofer. When
configuring a “small” speaker, choose the setting that
has the frequency closest to that of the lowest fre-
quency the speakers in question are capable of han-
dling. If one of the six available crossover points does
not match, select the one that is above, but closest to,
the speaker’s low-frequency limit.
When there are no speakers available at a specific
position, select
NONE. When this option is chosen
for the Center or Side Surround speakers, the sound
that would normally be sent to these channels will be
split between the front left and right speakers. Note
that when your system does not include Center or
Surround speakers, the use of Dolby Virtual Speaker
as a surround mode may provide a sound field that
simulates the presence of these speakers. (See the
appendix for more information on the Dolby Virtual
Speaker mode.)
Note that when
NONE is selected for the Back
Surround speakers, the 6.1/7.1 channel surround
modes are not available. When this is the case for
your system, you may wish to take advantage of the
availability of the unused amplifier channel pair to
power a second set of speakers in another room.
(See page 46 for more information on amplifier
configuration.)
Once any desired changes have been made to the
speaker size and/or crossover, press the
/¤
Navigation Button n
©
to move the cursor to
any other line on this menu to make a setting change,
or go to the
BACK TO MANUAL SETUP
menu and then press the Set Button p
œ
to
continue with overall configuration.
LFE Low-Pass-Filter Setting
The LFE LP FLT line selects the frequency set-
ting below which sounds that may be available from a
special low-frequency effects (LFE) track are sent to
the subwoofer. In most cases, this setting will be set
accurately by EzSet/EQ but, should you wish to make
a change from that setting or the 120Hz frequency
that is most commonly used in the creation of LFE
channels by motion picture sound mixers, after making
sure that the
SPEAKER SIZE menu (Figure
19) is on the screen, press the
/¤ Navigation
Button
n
©
so that the cursor is pointing to
LFE LP FLT. Press the / Navigation
Button
n
©
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.
When the
SPEAKER SIZE menu returns
to the screen, press the
/ Navigation Button
n
©
to make your selection. When the desired
setting appears, press the
/¤ Navigation Button
n
©
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 p
œ
to continue with overall configuration.
Sub Mode Setting
When the Front Left/Right speakers are configured
as “Large” and a subwoofer is detected by EzSet/EQ
* X-OVER CHANGE WARNING *
Speaker X-Over Freq or
Size has been changed.
Please re-run EZSET/EQ
* SPEAKER SIZE *
FL/FR :SM - 100Hz
CENTER :SM - 100Hz
SL/SR :SM - 100Hz
SBL/SBR :SM - 100Hz
LFE LP FLT :120 Hz
SUB MODE :SUB
SUB SIZE :10in/250mm
EZSET SETTINGS: OFF ON
BACK TO MANUAL SETUP
SYSTEM CONFIGURATIONSYSTEM CONFIGURATION
SYSTEM CONFIGURATION 31SYSTEM CONFIGURATION 31
HKP1445AVR645om 6/7/06 6:35 PM Page 31

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Harman Kardon AVR 645 Specifications

General IconGeneral
BrandHarman Kardon
ModelAVR 645
CategoryReceiver
LanguageEnglish

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