Repair and replace the hand switch of the mobile DR X-ray machine

When the customer saw the hand switch sold by our company on the website, he came to consult. 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 judge 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 this hand switch is designed with 2 levels, 1 level of exposure preparation, 2 levels of exposure control, our engineers You need to know which cable is connected to the 1st gear and which is connected to the 2nd gear to install the plug. If the connection is wrong, it cannot be used. The customer said to check with the hospital again.