From Pswpower
Copy Wire for KT Series Display Meter. You can use this wire to copy KT-LCD1 display setup parameter data to KT-LED890 meter. And you can use this wire to copy a KT-LED890 meter setup parameter data to another KT-LED890 meter.
For KT-LCD1 to KT-LCD890 data copy.
For KT-LED890 to KT-LED890 data copy.