User's Manual

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When you have completed your selection for the center channel, press the ▼/▲ Navigation
Button [oval 16] to move the cursor to SIDE SURROUND.
Press the ◄/► Navigation Button [oval 16] to select the option that best describes the
surround speakers in your system based on the definitions shown on this page.
When SMALL is selected, low-frequency surround channel sounds will be sent to the subwoofer
output only. If you choose this option and there is no subwoofer connected, you will not hear any
low-frequency sounds from the surround channels.
When LARGE is selected, a full-range output will be sent to the surround channel outputs, and NO
surround channel signals will be sent to the subwoofer.
When NONE is selected, surround sound information will be split between the front left/right
outputs. For optimal performance with no surround speakers, use the Dolby Virtual Speaker
mode.
When you have completed your selections for the main surround channels, press the ▼/▲
Navigation Button [oval 16] to move the cursor to BACK SURROUND.
Press the ◄/► Navigation Button [oval 16] on the remote to select the option that best
describes the speakers in use at the left and right back surround positions based on the
definitions on the next page:
When NONE is selected, this indicates that the System Configuration has been set to the 5.1-
channel mode. Return to MAIN ROOM SETUP to change the setting if this is not the correct
speaker configuration.
When SMALL is selected, the system will adjust so that the full complement of 6.1/7.1 modes are
available, and low-frequency information below the crossover point will be sent to the subwoofer
output. If you choose this option and there is no subwoofer connected, you will not hear any low-
frequency sounds from the surround back channels.
When LARGE is selected, the system will adjust so that the full complement of 6.1/7.1 surround
processing/decoding modes are available, and a full-range signal will be sent to the surround
back channels, with no low-frequency information sent to the subwoofer output.
When you have completed your selection for the surround back channels, press the
▼/▲Navigation Button [oval 16] to move the cursor to SUBWOOFER.
Press the ◄/► Navigation Button [oval 16] to select the option that best describes your system.
The choices available for the subwoofer position will depend on the settings for the other
speakers, particularly the front left/right positions.
If the front left/right speakers are set to SMALL, the subwoofer will automatically be set to SUB,
which is the “on” position.
If the front left/right speakers are set to LARGE, three options are available:
• If no subwoofer is connected to the AVR21EN, press the ◄/►Navigation Button [oval 16]
until NONE appears. With this option, all bass information will be routed to the front left/right
“main” speakers.