Onkyo TX-NR6100 Instruction Manual page 115

2. Speaker
„ 8. Speaker Virtualizer
The Speaker Virtualizer function can be switched between On and Off.
‰ Speaker Virtualizer (Default Value: On)
On Listening modes such as T-D that have virtual speaker effects
can be selected.
Off Listening modes such as T-D that have virtual speaker effects
cannot be selected.
Setup Setup
115