z4 It cannot be selected when headphones are used, or when a speaker configuration with any height speakers is used.
z5 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
corresponding sound modes" (v p. 265).
z6 This cannot be selected when headphones are used.
z7 This can be selected when the input signal does not contain Dolby Atmos.
z8 This can be selected when the input signal contains Dolby Atmos.