I happened to have the following problems at the first start of the engine Lycoming O-375 using EFIS SV-D1000 and SV-D700:
1. Cylinder numbering under the readings of EGT is changing spontaneously, e.g. 2-2-3-4, then 2-3-4-4 etc., instead of 1-2-3-4.
2. When the radio is transmitting, the...