Epson PowerLite 1221, User Manual, Page: 58 / 127

4. Select the Auto Iris setting and select On .
Note: You can turn Auto Iris on or off for each Color Mode that supports the feature. You cannot
change the Auto Iris setting when you are using a Closed Caption setting.
5. Press Menu or Esc to exit the menus.
Parent topic: Color Mode
Controlling the Volume With the Volume Buttons
You can use the Volume buttons on the remote control to adjust the volume as you project a
presentation with audio. You can also use the volume buttons on the projector's control panel. The
volume buttons control the projector’s internal speaker system.
You must adjust the volume separately for each connected input source.
1. Turn on the projector and start a presentation that includes audio.
2. Press the Volume buttons as necessary to lower or raise the volume.
A volume gauge appears on the screen.
3. To set the volume to a specific level for an input source, you can set the volume using the projector's
menus.
Parent topic: Using Basic Projector Features
Related references
Projector Feature Settings - Settings Menu
Projecting a Slide Show
You can use your projector's Slideshow feature whenever you connect a USB device that contains
compatible image files. This lets you quickly and easily display a slide show, and control it using the
projector's remote control.
Supported Slideshow File Types
Starting a Slide Show
Parent topic: Using Basic Projector Features
Related concepts
USB Device Projection
58