26 Troubleshooting. 27 Indicators. 30 Specifications. 31 Declaration of Conformity Model Number : Trade Name : Responsible party : Telephone number : XD480U / XD450U / S5201M ACER ELECTRIC Mitsubishi Digital Electronics America, Inc. 9351 Jeronimo Road, Irvine, CA 92618 U. A +1-(949) 465-6000 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Trademark, Registered trademark Macintosh is registered trademark of Apple Computer Inc. DLPTM, Digital Micromirror Device and DMD are all trademarks of Texas Instruments. Other brand or product names are trademarks or registered trademarks of their respective holders. EN - 3 Important safeguards Please read all these instructions regarding your projector and retain them for future reference. Follow all warnings and instructions marked on the projector. Read instructions All the safety and operating instructions should be read before the appliance is operated. Retain instructions The safety and operating instructions should be retained for future reference. Warnings All warnings on the appliance and in the operating instructions should be adhered to. Instructions All operating instructions must be followed. Cleaning Unplug this projector from the wall outlet before cleaning it. Do not use liquid aerosol cleaners. Use a damp soft cloth for cleaning...