Some U2 wires are connected to the electronics of U1 plane, to check whether the U2 efficiency problem is caused by the electronics.
U2_23 to U1_23 (wire U2 1-16 to wire U1 1-16)
U2_22 to U1_22 (wire U2 17-32 to wire U1 17-32)
U2_21 to U1_21 (wire U2 33-48 to wire U1 33-48)
U2_20 to U1_20 (wire U2 49-64 to wire U1 49-64)
U2_19 to U1_19 (wire U2 65-80 to wire U1 65-80)
U2_18 to U1_18 (wire U2 81-96 to wire U1 81-96)
There is an error in entry 1450. Please disregard it.