Owner’s Manual - Page 147

It cannot be selected when headphones are used, or when a speaker configuration without front height or Front Dolby Atmos Enabled speakers is used.

It cannot be selected when headphones are used, or when only front speakers are used.

The sound mode that can be selected differs depending on the audio format of the input signal and the number of channels. For details, see “Types of input signals, and

p. 302).