Denon DVD-9000 Operating Lnstructions page 45

Using the V.S.S. (Virtual Surround Sound) function gives the sound a sense of expansion and allows you to achieve surround effects
even when only front speakers (left and right) are used. For discs with surround signals, the ES. function not only gives the sound
expansion, it also makes it seem as if sound is coming from the sides, even though there are no speakers there.
During playback, press the V.S.S. button on the remote control unit.
Remote control unit
Distance A
* This function only works with DVDs containing two or more channels of Dolby Digital signals.
@ Note that for some discs the effect will be weak or there will be no effect.
@ For some discs the sound may be distorted. If so turn the V.S.S. function off.
6) Turn off other surround functions (the TV's surround mode, etc.).
e The effect is best when listening at a distance from the TV equal to 3 to 4 times the distance
of the left and right speakers (distance A).
Mening pdsitibn
During playback, press the PAGE + or PAGE ^ button on the remote control
unit.
0 For DVD audio discs with still images, the desired image can be selected.
* On some discs the image cannot be selected due to the intentions of the
discs' producers.
Remote control unit
In the stop mode, press the SEARCH MODE button on the remote
control unit to set the search mode to "GROUP".
Remote control unit
Use the number buttons to input the bonus group number.
Remote control unit
Use the number buttons on the remote control unit to input the
password (4 digits), then press the ENTER button.
89 Playback starts from the first track in the specified group.
Remote control unit
. In some cases the password must be input at the menu screen. In these cases, follow the instructions on the screen.
@ Once the password is input, the disc can be played as many times as you want until it is removed.
* If you make a mistake when inputting the password, press the CLEAR button on the remote control unit.