AVR 645
Harman Kardon is pleased to offer
this software upgrade to improve the
audio and video performance of
your AVR 445 or AVR 645. Unlike
many consumer audio products that
are designed with “fixed” memory,
these Harman Kardon
®
products
feature flash memory, which makes it
possible to upgrade their internal soft-
ware through a standard USB port.
To install the upgrade, please follow
the instructions on this sheet. If you
have any questions, consult our Web
site at www.harmankardon.com.
Important Note:
This software is specially designed for
use with Harman Kardon’s AVR 445 and
AVR 645 receivers. Use with any other
models or brands may cause damage to
the product. DO NOT USE THIS SOFTWARE
WITH ANY PRODUCTS OTHER THAN THE
HARMAN KARDON AVR 445 OR AVR 645.
System Requirements
To install the upgrade, you will need a standard
USB “Type A to Mini Type B” cable (you may
already have this type of cable for connecting
your computer to a digital still camera or cell
phone). The cable may be obtained at most
computer or electronics stores.
You will also need access to a computer that is
close enough to be connected to the AVR being
upgraded. The minimum system requirements
for the computer are:
• Processor: Intel
®
Pentium
®
II processor or
equivalent, or higher
• Operating system: Windows
®
2000 SP4
or higher, Windows XP or Windows
Vista
™
system
• Hard-drive space: 10MB available
• System RAM: 128MB
• CD-ROM drive (when using upgrade disc only)
• USB port
Installation Instructions
Upgrading your AVR 445 or AVR 645 is easy,
but for the upgrade to work properly, it is
important to precisely follow the instructions
below. PLEASE READ THESE INSTRUCTIONS
CAREFULLY BEFORE PROCEEDING.
• If you are using files downloaded from the
Harman Kardon Web site to upgrade the
AVR 445 or AVR 645, use Windows Explorer
or any other file management program to
locate the folder where you have downloaded
the upgrade file. Click on the zip file named
“AVRxxxEUUpgrade.zip”, noting that the “xxx”
will be replaced by the model number of your
receiver. When you do this, the file will auto-
matically unpack all of the files needed to
upgrade your AVR 445 or AVR 645.
• If you are installing the upgrade from a
CD-ROM, insert the disc in your computer’s
CD-ROM drive.
• Upgrading your AVR 445 or AVR 645 will
erase all system memories. This means that
any configuration settings or tuner presets that
you have entered will be lost. To make it easier
to re-establish the settings after completing
the upgrade, you may wish to write down
your current system configurations using the
worksheets that are included with this software
package. To print those worksheets, use
Windows Explorer or another file management
program to locate the Worksheets.pdf file
in the directory where the upgrade files
have been saved. Click on the file to open
it with Adobe
®
Reader
®
software and then
print copies as needed.
• Make certain that the Main Power switch
(behind the front-panel door) on your AVR is
turned off, and then connect the USB cable
to your computer and to the jack on the
rear panel of your AVR.
• Press in the Main Power switch on your
AVR, but leave the receiver in Standby mode.
• Locate the directory for the downloaded files
or CD-ROM and click on the file named
“HK_Upgrader.exe.” It should be easy
to recognize, as there will be a small
Harman Kardon logo near the file name,
depending on the display mode for your
file manager.
• A new window will open on your computer
screen when the Loader program starts.
Click NEXT to proceed.
• The next screen contains the End User
License Agreement that covers the software
upgrade. Please read this important docu-
ment, using the scroll bar on the right side
of the window to move down through the
copy. If you agree to the terms of the agree-
ment, click I ACCEPT to proceed; otherwise,
click I DECLINE to cancel the upgrade and
exit the Loader program.
• Enter the serial number of your receiver in the
spaces provided on the next screen, making
sure to enter any capital letters exactly as you
see them on the serial number label. Do not
HARMAN KARDON
®
AVR 445/AVR 645
SOFTWARE UPGRADE INSTRUCTIONS
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