4-6. Needle up/down compensation switch
1
4-7. ON/OFF switch
1
4-8. Automatic thread trimming switch
1
4-9. One-shot automatic stitching switch
1
Everytimeneedleup/downcompensationswitch 1
ispressed,theneedlegoesupwhenitisinitslowest
positionorcomesdownwhenitisinitshighestposition.
Thiscompensatesthestitchbyahalfofthepredetermined
stitchlength.
Note,however,thatthemachinedoesnotruncontinuously
atalowspeedevenifyoukeeptheswitchheldpressed.
Also,notethattheneedleup/downcompensationswitchis
inoperativeafterturningthehandwheelbyhand.
Threadtrimmingisoperativeonlyatthetimeofstitch
compensationafterdepressingthefrontpartofthepedal
once.
of the material edge sensor
•Whenmaterialedgesensor 1 ispressed,ON/OFFofthematerialedge
sensorischangedover.
•When the material edge sensor, which is optionally available, is
connected to the operation panel, the ON/OFF switch of the material
edgesensorbecomeseffective.
•If the material edge sensor is specified, the sewing machine will
automatically stop running or perform thread trimming when the sensor
detectsthematerialedge.
If the material edge sensor is used in combination with
the operation panel, carefully read the Instruction Manual
for the material edge sensor beforehand.
•When automatic thread trimming switch 1 is pressed, ON/OFF of the
automaticthreadtrimmingischangedover.
•This switch is used to automatically actuate the thread trimmer in a
process where the sewing machine automatically stops or when the
materialedgesensorisused.
(if the automatic reverse stitching (for end) is specified, the thread
trimmer will actuate after the sewing machine completes the automatic
reversestitching(forend).)
•Whenone-shotautomaticstitchingswitch 1 ispressed,ON/OFFofthe
one-shotautomaticstitchingischangedover.
•Thisswitchisused,intheconstant-dimensionstitchingmode,rectangular
stitching mode, or in the process where the material edge sensor is
specified, to make the sewing machine automatically perform sewing at
the specified speed until the end of the process is reached only by driving
thesewingmachineonce.
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