"This is the Roland RS-202 "Strings" Keyboard. Unlike some string machines, its note releases do not get cut off when you hit new keys. Very useful and lush.
The five-octave keyboard can be split to play two different patches, each one being a combination of Strings I, Strings II (different octave), and Brass. A slower attack can also be switched in for each side, as well as a fixed volume attenuation. The Sustain (really the release) of each side is controlled by sliders. There are also global tone controls for the Strings & Brass. The time-honored Roland tradition of two different Ensemble (chorus) settings is global. There are High & Low audio outputs, and a Gate Out in case you need to hook it up to your System 700 modular rig. Like other Roland keyboards of the period, the AC cord is attached & housed in a little hatchway on the bottom."