The supervisory lamp associated with the peg in the wanted subscriber's jack glows from the time that the peg is inserted until the subscriber responds, when it darkens, in which condition it remains until the subscriber restores the receiver to the hook and causes the lamp to light up again.
These supervisory signals took the form of lamps and were placed on the keyboard in positions immediately adjacent to the associated cords.
Its powers do not extend to direct and mandatory regulation, being supervisory and advisory only, but it can make recommendations at its discretion, appealing if necessary to the General Court; and it has had great influence and excellent results.
The other supervisory lamp on the cord circuit is controlled in a similar manner by the subscriber who originated the call, and as that subscriber's telephone is off the hook when the peg is inserted, the lamp is not lighted at all until the subscriber replaces the receiver.
The Board of Control of State Institutions has supervisory and inquisitorial powers over all county and private institutions in the state in which insane are kept, and over homes for friendless children maintained by societies or institutions.
A permanent committee of 14 members represents the two chambers during the congressional recess and exercises certain supervisory and advisory powers in the administration of public affairs.
The judicial power consists of a Supreme Court of Justice of seven members located in the national capital, which exercises supervisory and disciplinary authority over all the law courts of the republic; six courts of appeal, in Tacna, Serena, Valparaiso, Santiago, Talca and Concepcion; tribunals of first instance in the department capitals; and minor courts, or justices of the peace, in the subdelegacies and districts.