72Electromagnetic compatibility Appendix A Appendix A contains electromagnetic compatibility information and optical and acoustical statements. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules and the Canadian Department of Communications. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communication. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his/her own expense. Operation of this device is subject to the following conditions: ·This device may not cause harmful interference. ·This device must accept interference received, including interference that may cause undesirable operation. ·Cables used with this device must be properly shielded to comply with the requirements of the FCC. ·You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.