... is divided into 9 districts. Each district contains 10 channels. Refer to the 3 receivers; each receiver has 3 ... the connection carefully. You can test the districts B, C, D, E, and F with the same way.6 ... C1 together, please turn on the A, B, and C button and turn off others. If you press button ... 5*13.5cmThe receivers; 3 pieces, each pieces has 30 channels.Cables; 100M (50+25+25) Weight: Main machine; ...