Profile: Eprad, Inc. is a manufacturer of motion picture equipment and supplies. Our product line includes automation system controllers, facility accessories, remote status and control systems, sound accessories, booth accessories, light control systems and software. Our automation system controllers include CNA-100, CNA-150, CNA -200, CNA feature comparison chart and CNA firmware versions. Our CNA-100 cinema network automation is a microprocessor-based automation system. It allows systems to communicate on the LSN two-wire RS-485 serial link. The CNA-100 is accessible with a laptop or home-based PC for direct programming and monitoring. Our SLM-150™ sound level monitor is an audio monitor used in the projection booth to monitor the processor and amplifier outputs for all channels of a multi-channel cinema sound system. The SLM-150 has inputs for both the processor and amplifier signals.