Voice Of LS-7600

"Article" and "empty." Like a child with a battery connected to the wires and then wound up in a nail jam. Kermode with a coil with a core receiving the "empty" signal when attracting a switch, in receiving the "bar" signal when the release switch and the circuit. Therefore, the first walkie-talkie reader noisy. By a series of relay control switch "on" and "off" by the printing "bar" in the number of decisions on the envelope. By this method, intercom symbol directly on the letter were sorting.