JUKI SC-922 Instruction Manual page 45

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18 Reverse revolution to lift the needle after thread trimming (Function setting No.
56)
This fun ction is used to m ake the sewing machi ne rotate '" the reverse direction after thread trimming to
lift the needle bar a lmost to highest posit1on. Use this funct1on when the needle appears under the presser
foot and it is likely to make scratches on the sewin g products of heavy-weight material or t he like.
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0:
off Function of making the sewmg machine rotate in the reverse direc-
tion to lift the needle after thread trimming is not p rovided .
1 : on Function of making the sewing machine rotate in the reverse direc-
tion 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 high-
est 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.
19
Function of holding predetermined upper / lower position of the needle bar (Function setting Nos. 58 and 61)
When the needle bar is in its upper o r lowe r position, th e sewing machine slightly brakes to keep the nee-
dle bar at the current poSition
Function of holding predetermined upper/low er
position of the needle bar (Function setting No 58)
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0 . off Not provided with the function of holding predetermined upper/lo w -
er posijion of the needle bar
1 :on Provided with th e function of holding predetermined up per/low er
position o f the needle bar (holding force is weak.)
2 : on Provided with the function of holding predetermined upper/low er
position o f the needle bar (hold1ng force is medium .)
3
: on Provided with the funct1on of holding predeterm ined upper/low er
pos1t1on o f the needle bar (holding force is strong.)
Needle-bar home position retaining time (function setting No. 6 1)
This function automatically cancels the function N o . 58 after the lapse of the set time when the latter is in
the ON state.
This function should be used when you want to turn the sewing machine pulley after the comp letion of sewing.
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0 : Function is disabled The needle-bar up/down home position retain-
ing function is enabled at all tim es.
100 -300 0 ms
~
Change-over function of AUTO
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Pedal for sewing speed of the reverse feed stitching at t he start
of sewing (Function setting No. 59)
This funct 1 on selects w hether the reverse feed stitch ing at the start of sewing is performed w ithout a break at
the speed set by the function setting No. 8 or the stitching is performed at the speed by the pedal op eration.
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Ma nual T he s p eed is ind1cated by the pedal operation.
~
1 : Auto Automat1c st itching 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.
21 Function of stop Immediately after the reverse feed stitching at the start of _ sewing (Function setting No. 60)
This function temporarily stops the sew1ng machine even when keepmg depressmg the front part of the pedal at the
time of completion of process of reverse feed stitching ~t the start of
seWing. .
It is used when sew
1
ng a short length by reverse feed stttctung at the start of sewmg .
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o :
Not provid ed with the function of temp orary stop of
the sewin g machine immediately afte r the reverse
feed stitching at the start of sewing
: Provided with the function of temporary stop of the
sewmg mach~ne immediately after the reverse feed
stitching at the start of sewing
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1/
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Stop the sewing machine
temporarily to change
direction of sewing products.