Jack C4 Training Courseware

Operating Instructions – Introduction for quick switch adjustment of avoid-cutting sensor
Long press key 3S, avoid-cutting sensor switch
quickly change, avoid-cutting sensor is turned on by
default, avoid-cutting sensor delay stitches (P50)
defaults to 0. (If the P50 item saves the parameter
value change, the P50 item parameter is equal to the
user saves the parameter value). When the avoid-
cutting sensor is turned off by default, the post-
sensor delay stitches (P28) defaults to 8. (If P28 items
save the parameter value change, then the P28
parameter is equal to the user to save the parameter
value)

Jack C4 Specifications

General

Product Introducti	ion-technical specifications
Type/Name	C4 The Fastest Automatic Overlock Machine
Highest Speed	7000rpm/min
Differential	0.7-2.0
Thread Wideth（mm）	1.5-8.0
Presser Foot Height（mm）	5.0-7.0
Needle Type	DCX27
Needle Bar Height	（general）10.4mm/12mm（heavy）
Needle Bar Stroke	（general）24.5mm/26mm（heavy）

Weight and Dimensions

Max Length(mm)	0.8-4.8