Sony STR-AN1000 Startup Manual page 320

Help Guide
Multi Channel AV Receiver/Multi Channel AV Amplifier
STR-AN1000/TA-AN1000
Switching the IMAX Mode (IMAX Mode)
Set whether to add the effect to the audio as if you were watching it at home in the theater when you play IMAX Enhanced
content.
Select [Setup] - [Audio Settings] from the home menu.
1
Select [IMAX Mode].
2
Select the setting you want.
3
Auto: IMAX effect is automatically added when you play IMAX Enhanced content.
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