JUKI IP-100A Engineer's Manual page 122

(11) Foot lift function after thread trimming (Function setting No.55 FLAT)
This function can automatically lift the presser foot after thread trimming. This function is effective only
when it is used in combination with the AK device.
0 : off Function of automatically lifting the presser foot is not provided.
(Presser foot does not automatically go up after thread trimming.)
1 : on Function of automatically lifting the presser foot is provided.
(Presser foot automatically goes up after thread trimming.
(12) Reverse revolution to lift the needle after thread trimming (Function setting No.56 RATRM)
This function is used to make the sewing machine rotate in the reverse direction after thread trimming to lift
the needle bar almost to highest position. Use this function when the needle appears under the presser foot
and it is likely to make scratches on the sewing products of heavy-weight material or the like.
0 : off Function of making the sewing machine rotate in the reverse direction to lift the needle
after thread trimming is not provided.
1 : on Function of making the sewing machine rotate in the reverse direction to lift the needle
after thread trimming is provided.
(Caution) The needle bar is raised, by rotating the machine in the reverse direction, almost to the
highest dead point. This may result in slip-off of the needle thread. It is therefore necessary
to adjust the length of thread remaining after thread trimming properly.
Reference : When the function of reverse revolution to lift the needle after thread trimming is set,
the needle bar is out of the UP position after thread trimming. It is necessary to turn the
handwheel by hand when turning ON the power next time. It is not possible to enter the
edit screen at the time of reverse revolution to lift the needle after thread trimming. It is
necessary to adjust the position to UP position by turning the handwheel by hand before
entering the edit screen.
(13)Function of holding predetermined upper / lower position of the needle bar
(Function setting No.58 HPOS)
When the needle bar is in the upper position or in the lower position, this function holds the needle bar by
applying a brake slightly.
0 : off Function of holding predetermined upper/lower position of the needle bar is ineffective.
1 : on Function of holding predetermined upper/lower position of the needle bar is effective.
(14) Change-over function of AUTO/Pedal for sewing speed of the reverse feed stitching at the
start of sewing (Function setting No.59 SBTO)
This function selects whether the reverse feed stitching at the start of sewing is performed without a break at
the speed set by the function setting No. 8 or the stitching is performed at the speed by the pedal operation.
0 : Manu The speed is indicated by the pedal operation.
1 : Auto Automatic stitching at the specified speed
(Caution) 1. The max. sewing speed of the reverse feed stitching at the start of sewing is limited to
the speed set by the function setting No. 8 regardless of the pedal.
2. When "0" is selected, stitches of reverse feed stitching may not match those of normal
feed stitching.
(15) Function of stop immediately after the reverse feed stitching at the start of sewing
(Function setting No.60 SBTQ)
This function temporarily stops the sewing machine even when keeping depressing the front part of the
pedal at the time of completion of process of reverse feed stitching at the start of sewing.
It is used when sewing a short length by reverse feed stitching at the start of sewing.
0 : Not provided with the function of temporary stop of the
sewing machine immediately after the reverse feed
stitching at the start of sewing
1 : Provided with the function of temporary stop of the
sewing machine immediately after the reverse feed
stitching at the start of sewing
118
− −
Stop the sewing machine
temporarily to change
direction of sewing
products.