Ricoh PJ WU6181N 6200-Lumen WUXGA LCD Projector (No Lens) - Manual (Page 50)

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3. Convenient Features
11. Press the ◀ or ▶ button to highlight the [OK] and press the ENTER button.
This completes the [CORNERSTONE] correction.
• Select [CANCEL] and press the ENTER button to return to the [CORNERSTONE] screen.
Selecting [CANCEL] will return to the adjustment screen without saving changes (Step 3).
Selecting [RESET] will return to the factory default.
Selecting [UNDO] will exit without saving changes.
NOTE:
• Even when the projector is turned on, the last used correction values are applied.
• Carry out either one of the following actions to clear the adjustment value of [CORNERSTONE].
• In Step 11, select [RESET] and then press the ENTER button.
• Press the Geometric. button for 2 or more seconds.
• Run [DISPLAY]
→ [GEOMETRIC CORRECTION] → [RESET] in the on-screen menu.
• Using CORNERSTONE correction can cause the image to be slightly blurred because the correction is made electronically.