Yamaha RX-A1000 Owner's Manual page 91

Surround Back
Selects the size of the surround back speakers.
Largex1
Select when one large surround back speaker is
connected.
Largex2
Select when two large surround back speakers are
connected.
Smallx1
Select when one small surround back speaker is
connected.
Smallx2 (Default)
Select when two small surround back speakers are
connected.
None
Select this when no surround back speakers are
connected.
• When there are no surround speakers are connected, the setting
will automatically change to "None."
• You can set surround back audio signals, including from the
playback source, to be mixed down and produced from a single
speaker (6.1-channel layout) or produced from left and right
surround speakers (5.1-channel layout).
Front Presence
Specify connection of front presence speakers.
Use (Default) Select this when front presence speakers are
connected.
None Select this when front presence speakers are not
connected.
J
1 : Enabling "Extra Bass" allows both the subwoofer and the front speakers to
produce bass audio.
J
2 :
If your subwoofer has a volume control or a crossover frequency control, set
the crossover frequency to maximum and the volume to half (or slightly less).
Subwoofer
Confirms the subwoofer.
Use (Default)
Select this when subwoofer is connected. During
playback, the subwoofer will produce audio from the
LFE (low-frequency effect) channel and bass audio
J1
from other channels.
Select the phase of the subwoofer from the following
items if the bass audio is lacking or unclear.
Normal (Default) Does not change the subwoofer
phase.
Reverse Reverses the subwoofer phase.
None Select this when subwoofer is not connected. The
front speakers will produce audio from the LFE (low
frequency effect) channel and bass frequency audio
from other channels when "Subwoofer" is set to
"None."
Extra Bass
Allows the front channel low-frequency components to be
produced exclusively by the subwoofer, or by both the subwoofer
and the front speakers.
Off (Default) Depending on the size of the front speakers, either the
front speakers or the subwoofer produce the front
channel low-frequency components.
On The subwoofer and the front speakers produce the
front channel low-frequency components.
When "Subwoofer" is set to "None" or "Front" is set to "Small,"
"Extra Bass" is disabled.
Setting various functions (Setup menu)
Bass Cross Over
Sets the lower limit of low-frequency component which is
produced from speakers of which the size is set to "Small."
A frequency sound which is lower than the specified frequency will
be produced from the subwoofer or the front speakers.
40Hz 110Hz
60Hz 120Hz
80Hz (Default) 160Hz
90Hz 200Hz
100Hz
SETUP
J2
91
En