Canon REALiS SX80 Mark II D - Manual (Page 66)

Selecting Screen Aspect and Aspect
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■How to Select an Aspect Ratio
Press the ASPECT button on the remote control to select an appropriate aspect ratio. The selection
is toggled among types for aspect ratios by pressing the ASPECT button.
For more details on the aspect ratios, refer to "When Projecting an Image from a Computer" on page
147 .
You can also select any aspect ratio from the menu. ( P79 )
Some aspect ratios may not appear depending on types of input signals.
Remote control