Replace the original hand switch of the mobile DR X-ray machine

The customer said that he wanted to replace the original hand switch of the mobile DR X-ray machine and sent us pictures for reference.
We judged from the photos that what the customer needs is our L01 hand switch. We sent the picture of the L01 hand switch to the customer as follows. The customer said that is the case. We also confirmed to the customer whether it is necessary to install a plug. The customer said that it needs to be the same as the previous plug. We explained to the customer that the L01 hand switch is a two-stage design, the first stage of exposure preparation, and the second stage of exposure control, our engineers need Know which cable is connected to the first gear and which is connected to the second gear to install the plug. If the connection is wrong, it cannot be used. The customer said to check with the hospital again.