For Transmitters copper wire made of folded copper, in the grip Sian, the other side wear crowbar, forced Tighten reverse at the same time, control laps or angle to the right.

• 发射器用铜丝制成；对折铜丝；在台钳上夹住；另一端穿铁棒，用力绷紧的同时扭转；控制圈数，升角要合适.