Seatronx PHT/SRT Compact Digital Control [PHT/SRT-CONTROL]PHT SRT CTL Compact Remote Control The PHT SRT CTL is a compact digital control that allows for easy touch command control from any bridge. Turn displays on and off, brighten or dim to your preference, and select any input for up to 12 displays. Easy to install and operate, and built with a small profile to fit in tight consoles. Features: Protocol: NCOM or SCOM Connect up to 12 units daisy chained through RS485 9 36VDC Power input 4. 3 Display PCAP