Onkyo HT-RC660 Mode D'emploi Base page 6

Characteristics of speaker types
" # output front stereo sound. $ outputs center sounds
such as dialogs and vocals. % & create back sound field.
' reproduces bass sounds and creates rich sound field.
Connecting 78 speakers or 9F speakers enables
playback in 7.1 ch configuration. 78 speakers improve
sense of envelopment created by back sound field as well
as seamlessness of back sounds, providing more natural
sound experiences in the sound field. 9F speakers
produce surround effects on a height plane. This unit
performs optimal sound field processing for the type of
the installed height speakers which is registered in initial
settings (with setup wizard).
Instructions on how to connect speakers
Important %QPPGEV URGCMGTU YKVJ 
You have to change the setting if any of the speakers
JCXG  QT OQTG VQ NGUU VJCP  KORGFCPEG ;QW ECP UGV
up by viewing the guidance displayed on the TV screen.
Select the item with the cursor buttons of the remote
controller and press ENTER to confirm your selection. To
return to the previous screen, press RETURN. Press RCV
and then HOME on the remote controller. Select "Setup"
- "2. Speaker Setup" - "Speaker Settings" - "Speaker
Impedance" and change the default value from "6ohms"
(Default Value) to "4ohms".
1/2"-5/8"(12-15 mm)
Cut and remove the plastic coating from the end of the
speaker cable, twist the core and connect it to the terminal.
Make correct connection between the unit's jacks and
URGCMGT U LCEMU VQ CPF VQ HQT GCEJ EJCPPGN +H
connection is wrong, a bass sound may become poor
due to reverse phase. Attaching the supplied colored
speaker cable labels to the + side on the both ends of each
channel's cable will help correct connection.
Up to two subwoofers with built-in power amplifier can
be connected to the subwoofer jacks. Set the cut-off
filter selection switch of the subwoofer to DIRECT. If the
subwoofer does not have a cut-off filter selection switch
but has a cut-off frequency adjusting dial, turn it to the
maximum frequency. If your subwoofer does not have
builtin power amplifier, you can connect a power amplifier
between the unit and the subwoofer.
6
r The speaker setting is 7.2 ch at the time of purchase. You
can change it manually or by using automatic speaker
setting.
r 5JQTVEKTEWKVKPI VJG ECDNG CPF
cable core to the rear panel of the unit may cause failure.
Also do not connect two or more cables to one speaker
terminal or one speaker to several terminals.
r Using a speaker with less impedance than the setting
may result in failure.
VQ  KORGFCPEG
When using commercially available banana plugs:
tighten the speaker terminals to the end and then insert
the banana plugs. Do not insert the core of speaker cable
directly into the hole for banana plug of speaker terminal.
(North American models)
Height speakers arrangements
Dolby Laboratories recommends to place the speakers as
ECDNG QT EQPVCEVKPI VJG
described on "Installing speakers in ceiling" to obtain the
best Dolby Atmos effect.
Installing speakers in ceiling
a b Top Front
c d Top Middle
Ceiling speakers, etc. are used for maximizing effects in
Dolby Atmos or Dolby Surround listening mode. Install
Top Front speakers midway between the position just
above the listening position and the position just above the
front speakers. Install Top Middle speakers just above the
listening position. You can select ab or cd on the unit.
For connection with the unit, use the SPEAKERS BACK or
HEIGHT terminals.
Step 1: Connections
c d
a b