Acer P3250 Acer P1350 and P3250 Projector Series Service Guide - Page 79

5-4 Firmware Upgrade Procedure 1. Set-up - Plug in power cord and then press "Power" and "Menu" button simultaneously hold on about 5 seconds, release "Power" and "Menu" button - Once the Power ,Lamp and Temp LED light on RED at the same time, plug in USB cable into the projector and link to the USB port of a PC. 2. Execute the "DLP ComposeTM" file. 3. Click "edit" and "perferences". 4. Click "Library." - Click the "browse" button and navigate to the directory where you put the library file in. P3150/P3250/P3150 Refresh/P3250 Refresh Confidential 5-5