I know this has been asked a few times. I was doing some engineering at work and ran across the answer. Hopefully this will help someone next time.
The 740 series uses a 4 Prong Richter Male Adapter to mount to the back. If you are looking to replace your mount there are a bunch of options out there.
The 740 series uses a 4 Prong Richter Male Adapter to mount to the back. If you are looking to replace your mount there are a bunch of options out there.