Jack C4 Training Courseware

No.
Function parameter
Range
Defaults
Parameter Description
User area: press and hold the "P" key for 1.5 seconds to enter
P1
Maximum speed
500 -
7000
6000
RPM
P2
Stop positioning selection
0 - 2 1
0：
No positioning 1：up position
2：
down position
P3
Start speed
500 -
7000
5500
RPM
P4
Start mode
0 - 1 0
0：
Auto mode 1：
foot control mode
P5
Mode
selection 0 - 2 1
0：
Fully computerized 1：Half
intelligent
2：
Fully intelligent
P6
Voice volume adjustment
0 - 3 2
0：
off 1-3：on
Operation instructions– Parameter Introduction

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