Acer P5271 Acer P5271, P5271i, P5290 and P5390W Projector Series Service Guide - Page 43

2-19 Re-write System and Lamp Usage Hour 1. Get into Service Mode - Press "Power", "Left", "Left" and "Menu" buttons sequentially to get into Service Mode. 2. Get into Other Settings Mode - Use "Up" or "Down" buttons to select "Other Settings", then press "Menu" button. 3. Re-write System Hours - Select "System Hours Adjust" and use "Left" or "Right" buttons to re-write the "System Hours". 4. Re-write Lamp Hours (full/low) - Select "Lamp Hours Adjust (full)"/"Lamp Hours Adjust (low)" and use "Left" or "Right" buttons to re-write the "Lamp Hours (full)"/"Lamp Hours (low)". 5. Exit Service Mode - Use "Up" or "Down" buttons to select "Exit", press "Menu" button to exit the Service Mode. Note: left key = decrease System/Lamp hour right key =increase System/Lamp hour P5271/P5290/P5390W/P5271i Confidential 2-20