A position indicator for communication with any position detection system of a plurality of position detection systems of various configuration types, wherein a configuration type depends on a coupling method between the position indicator and one of the plurality of the position detection systems, comprising: a wireless communication module comprising a reception section configured to receive a signal transmitted from a position detection system of a particular configuration type, and a first transmission section; additional information generation sections (9, 43, 44) configured to generate additional information; a second transmission section that is different from the first transmission section; a signal generation section configured to generate a stylus position signal; and a signal transmission controlling circuit configured to determine based on the received signal to which configuration type the position indicator is to be set, and initially set the configuration of the position indicator to the configuration type of the position detecting system, perform, based on the set configuration type of the positioning indicator, control to transmit the stylus position signal via the second transmission section to the position detection system, perform control to transmit the additional information, via the first transmission section or via the second transmission section, and perform in the initially set configuration type transmission of the additional information and the stylus position signal synchronized with a signal received from the position detection system. a wireless communication module comprising a reception section configured to receive a signal transmitted from a position detection system of a particular configuration type, and a first transmission section; a reception section configured to receive a signal transmitted from a position detection system of a particular configuration type, and a first transmission section; additional information generation sections (9, 43, 44) configured to generate additional information; a second transmission section that is different from the first transmission section; a signal generation section configured to generate a stylus position signal; and a signal transmission controlling circuit configured to determine based on the received signal to which configuration type the position indicator is to be set, and initially set the configuration of the position indicator to the configuration type of the position detecting system, perform, based on the set configuration type of the positioning indicator, control to transmit the stylus position signal via the second transmission section to the position detection system, perform control to transmit the additional information, via the first transmission section or via the second transmission section, and perform in the initially set configuration type transmission of the additional information and the stylus position signal synchronized with a signal received from the position detection system. determine based on the received signal to which configuration type the position indicator is to be set, and initially set the configuration of the position indicator to the configuration type of the position detecting system, perform, based on the set configuration type of the positioning indicator, control to transmit the stylus position signal via the second transmission section to the position detection system, perform control to transmit the additional information, via the first transmission section or via the second transmission section, and perform in the initially set configuration type transmission of the additional information and the stylus position signal synchronized with a signal received from the position detection system.