Acer P1223 - Manual (Page 25)

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English User controls
Installation menu
The installation menu provides an onscreen display (OSD) for projector installation
and maintenance. Use this OSD only when the message No signal input is
displayed on the screen.
The menu options include settings and adjustments for screen size and distance,
focus, keystone correction and more.
1 Turn on the projector by pressing the POWER button on the control pad.
2 Press the MENU button on the control pad to launch the OSD for projector
installation and maintenance.
3 The background pattern acts as a guide for adjusting the calibration and
alignment settings, such as screen size and distance, focus and more.
4 The Installation menu includes the following options:
•
Projection method
• Menu location
• Keystone settings
• Language settings
• Reset to factory defaults
Use the up and down arrow keys to select an option, the left and right arrow
keys to adjust selected option settings, and the right arrow key to enter a
feature settings submenu. The new settings will be saved automatically upon
exiting the menu.
5 Push the MENU button anytime to exit the menu and return to the Acer
welcome screen.