®
10
Concert avr-
7 /
avr-
9
1. MAIN POWER SWITCH - The only time
to turn OFF the Concert AVR-7 / AVR-9
with this switch is when the system will not
be used for some time, or if there is the pos-
sibility of thunder and lighting, high winds, or
frequent power outages. Normally this switch
is left on. When this switch is turned off,
there is no power to the unit, and it cannot
be turned on with the remote or any other
method.
2. VOLTAGE SELECTION - The Concert
AVR-7 / AVR-9 is designed to operate with
either 110-120V volt or 220-240V line volt-
ages.
WARNING: Before the unit is turned on,
make sure that this switch is set to your local
AC power voltage.
3. POWER CONNECTION - All good AC
power flows in here.
4. FAN - A fan is used to cool down the inter-
nal power amplifiers.
Caution: Do not block the fan or any of the
ventilation slots. There should always be
plenty of good ventilation to cool the unit.
Rear Panel Features
g
uIded
t
our
of
tHe
Concert AVR-7 / AVR-9
5. ANALOG AUDIO INPUTS - There are
6 analog stereo input RCA pairs, each labeled
with the name of a typical source unit. Con-
nect these to the line-level analog outputs of
your source units.
6. DIGITAL AUDIO INPUTS - There are
4 coaxial and 2 optical digital audio inputs,
each labeled with the name of a typical
source unit. Connect these to the digital
outputs of your source units.
7. ETHERNET CONNECTION -
Your Concert AVR-7 / AVR-9 can be con-
nected and controlled through a computer
network via this CAT5 Ethernet connection.
The OSD on screen display allows you to set
up the unit’s network parameters.
8. USB CONNECTION -
Your Concert AVR-7 / AVR-9 has the abil-
ity to accept and play audio files from a USB
drive. The USB connection can also be used
to update the unit’s firmware from a down-
loaded file saved on a USB drive..
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