Mercury - Gen II Panel Mount Remote Control, Lock Bar, No Trim Outboard Control 883710A01. Overview. This is one of those controls that's been around forever because it doesn't give people problems. It's meant for outboards without power trim and keeps everything simple and mechanical. The chrome handle feels solid, not loose or flimsy, and the lock bar helps keep shifts intentional when you're working around the dock. It's a good choice for basic boats that get used, not babied.. Key Features.