A position indicator , comprising: a first transmission unit; a second transmission unit ; a reception unit configured to receive information from a position detection system , wherein the information is information for specifying a configuration type of the position indicator ; means for generating a position detecting signal; additional information generation means for generating a plurality of types of additional information whose types are different from each other; and control means configured to: determine the configuration type of the position indicator based on the information received by the reception unit , control, based on the determined configuration type of the position indicator , sending out of the position detecting signal through the first transmission unit to the position detection system , and control, based on the determined configuration type of the position indicator , sending out of the additional information generated by the additional information generation means from the first transmission unit or the second transmission unit , wherein controlling of the sending out of the additional information includes controlling, based on the determined configuration type of the position indicator , whether or not each of the plurality of types of additional information is to be sent out from the first transmission unit or the second transmission unit . a first transmission unit; a second transmission unit ; a reception unit configured to receive information from a position detection system , wherein the information is information for specifying a configuration type of the position indicator ; means for generating a position detecting signal; additional information generation means for generating a plurality of types of additional information whose types are different from each other; and control means configured to: determine the configuration type of the position indicator based on the information received by the reception unit , control, based on the determined configuration type of the position indicator , sending out of the position detecting signal through the first transmission unit to the position detection system , and control, based on the determined configuration type of the position indicator , sending out of the additional information generated by the additional information generation means from the first transmission unit or the second transmission unit , determine the configuration type of the position indicator based on the information received by the reception unit , control, based on the determined configuration type of the position indicator , sending out of the position detecting signal through the first transmission unit to the position detection system , and control, based on the determined configuration type of the position indicator , sending out of the additional information generated by the additional information generation means from the first transmission unit or the second transmission unit , wherein controlling of the sending out of the additional information includes controlling, based on the determined configuration type of the position indicator , whether or not each of the plurality of types of additional information is to be sent out from the first transmission unit or the second transmission unit . <EOS>