One and two-axis electrohydraulic joy-stick controllers, amplifier cards, and grip options from J.R. Merritt Controls Inc., Stratford, Conn., are used for on and off-road equipment such as scissor lifts, work platforms, bucket trucks, paving machines, and cranes. Featured are a Pro-4 single-axis controller, XLVNSO with multifunction handles, CSO with a T-handle and amplifier cards directly mounted in each axis, NSO-O rotary switches, and PFC remote-mounted amplifiers for proportional-valve control.