172. Projecting an Image (Basic Operation)❹ Selecting a SourceSelecting the computer or video sourceNOTE: Turn on the computer or video source equipment connected to the projector.Detecting the Signal AutomaticallyPress the SOURCE button once. The projector will search for the availableinput source and display it. The input source will change as follows:COMPUTER → HDMI1 → HDMI2 → VIDEO → S-VIDEO → VIEWER →USB DISPLAY → COMPUTER → ...• With the SOURCE screen displayed, you can press the SOURCEbutton a few times to select the input source.• The Viewer and Network sources are not supported by PE501X.TIP: If no input signal is present, the input will be skipped.Using the Remote ControlPress any one of the COMPUTER 1, HDMI, VIDEO, S-VIDEO, VIEWER,NETWORK, or USB DISPLAY buttons.NOTE: The HDMI button on the remote control will toggle between “HDMI1” and“HDMI2”.[P501X/P451X/P451W/P401W][PE501X]