... The vertex software . ... hydraulic brake on the dome and carriage house. azimuth encoder difference . ... motor,amp, compensation board settings. az motor torques . ... Motor torques build up while stopped. jan00 : azimuth encoder rack gear error. The vertex drive systems control the azimuth, gregorian, and carriage house. ... It was replaced by a new encoder on 09mar06 processing: x101/060307/agc.pro The torque on motor 22 was glitching for about 1 second when the dome slowed down or speeded up. ...