To train an ART1 network select the learning function ART1. To start the training of an ART1 network, choose the vigilance parameter (e.g.: 0.1) as first value in both LEARN and UPDATE row of the control panel. Parameter , which is also needed to adjust the trainable weights between F and F , has already been specified as initialization parameter. It is stored in the bias field of the unit structure and read out by ART1 when needed.