The RC-1 is wired remote controls for Talk Back 600 MV. It feature high reliability switch rated at 5 million operations. The RC-1 controls talk back function and has red button and red LED indicator. For installations requiring wired remote controls for TALK BACK and/or MONITOR SELECT switches and indicators, two rear panel Phoenix Contact connectors are provided, permitting studio to have up to four wired remotes, plus front panel. For example, control panel may be installed at engineer's desk and at producer's desk. Additionally, an optional IR remote control (models IR-1 and IR-2) may be used in conjunction with front panel and wired remotes.