If you don't want the original method to be called, you can disconnect the signal from the slot, for instance by adding the following line before the logger.show line.
To calibrate the circuit, first disconnect or obscure the input photodiode so that A1A converts no ac signal.
为校准电路，首先断开或使输入光敏二极管变暗，以便A 1 A转换非交流信号。
3
Especially in the condition that the speed signal device is connected to the power, don't disconnect the connection between PT and the speed signal device.