JUKI AC-172N-1790AN Instruction Manual page 19

(3) Adjusting the material edge detecting sensor
Refer to "II-3-1. Changing procedure of memory switch data" p.110
of the memory switch.
1) Turn the power ON. Set K23 (material edge detecting
sensor setting) in "enable" A.
A
Set U53 (jump functions setting) in "enable jump" B.
2)
B
– 15 –
for the operation procedure