The Rigol 1054z is the darling of the best bang for your buck club. But the rotary selection switch is, dare I say, dog's breath. This video gives an overview of the replacement process. Links below to the switch used.
Here's the link to the rotary switch used in this video http://amzn.to/2u0G4DW
Buy the Rigol 1054z here http://amzn.to/2u0NQOd
See the follow up video here https://youtu.be/_WxcV_O0aaI
