... reigidity of carriage, provides much more working stability to the machine.3. Cam system:The conformation of the cam system ... whithin one system, "knit","tuck", or "no knit" is carried out, and the ioop transferring or taking is independent of carriage ... cover for noise-suppression and dust-proofing with warning marks20. Machine Status LampGreen (normal operation),yellow (normal stop), red(abnormal ...