JUKI SC-810 User manual

ENGLISH
ENGLISH

i
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
Putting sewing systems into operation is prohibited until it has been ascertained that the sewing systems in which these
sewing machines will be built into, have conformed with the safety regulations in your country.
Technical service for those sewing systems is also prohibited.
1. Observe the basic safety measures, including, but not limited to the following ones, whenever you use the machine.
2. Read all the instructions, including, but not limited to this Instruction Manual before you use the machine.
In addition, keep this Instruction Manual so that you may read it at anytime when necessary.
3. Use the machine after it has been ascertained that it conforms with safety rules/standards valid in your country.
4. All safety devices must be in position when the machine is ready for work or in operation.
  Theoperationwithoutthespeciedsafetydevicesisnotallowed.
5. This machine shall be operated by appropriately-trained operators.
6. For your personal protection, we recommend that you wear safety glasses.
7. For the following, turn off the power switch or disconnect the power plug of the machine from the receptacle.
7-1 For threading needle(s), looper, spreader etc. and replacing bobbin.
7-2 For replacing part(s) of needle, presser foot, throat plate, looper, spreader, feed dog, needle guard, folder, cloth guide etc.
7-3 For repair work.
7-4 When leaving the working place or when the working place is unattended.
7-5 When using clutch motors without applying brake, it has to be waited until the motor stopped totally.
8. If you should allow oil, grease, etc. used with the machine and devices to come in contact with your eyes or skin or
swallow any of such liquid by mistake, immediately wash the contacted areas and consult a medical doctor.
9. Tampering with the live parts and devices, regardless of whether the machine is powered, is prohibited.
10. Repair, remodeling and adjustment works must only be done by appropriately trained technicians or specially skilled
personnel. Only spare parts designated by JUKI can be used for repairs.
11. General maintenance and inspection works have to be done by appropriately trained personnel.
 12. Repairandmaintenanceworksofelectricalcomponentsshallbeconductedbyqualiedelectrictechniciansorunder
the audit and guidance of specially skilled personnel.
  Wheneveryoundafailureofanyofelectricalcomponents,immediatelystopthemachine.
13. Before making repair and maintenance works on the machine equipped with pneumatic parts such as an air cylinder,
the air compressor has to be detached from the machine and the compressed air supply has to be cut off. Existing
residual air pressure after disconnecting the air compressor from the machine has to be expelled. Exceptions to this
are only adjustments and performance checks done by appropriately trained technicians or specially skilled personnel.
14. Periodically clean the machine throughout the period of use.
15. Grounding the machine is always necessary for the normal operation of the machine. The machine has to be operated
in an environment that is free from strong noise sources such as high-frequency welder.
16. An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to be connected
to a grounded receptacle.
17. The machine is only allowed to be used for the purpose intended. Other used are not allowed.
18. Remodel or modify the machine in accordance with the safety rules/standards while taking all the effective safety
measures.JUKIassumesnoresponsibilityfordamagecausedbyremodelingormodicationofthemachine.
19. Warning hints are marked with the two shown symbols.
Danger of injury to operator or service staff
Items requiring special attention
3
2
11
3
2
1• There is the possibility that slight to serious injury or death may be caused.
• There is the possibility that injury may be caused by touching moving part.
2• To perform sewing work with safety guard.
• To perform sewing work with safety cover.
• To perform sewing work with safety protection device.
3• Turn OFF the power and perform “threading”, “replacement of bobbin or
needle”, “cleaning”, “adjustment” and “lubrication”.

ii
This model is intended for commercial use.
BEFORE OPERATION “IMPORTANT SAFETY INSTRUCTIONS”
When using the sewing machine, basic safety precautions should always be followed, including the following: Read all
instructions before using
DANGER –To reduce the risk of electric shock:
WARNING–Toreducetheriskofbums,re,electricshock,orinjurytopersons:
1. Do not allow to he used as a toy. Close attention is necessary when this machine is used by or near children.
2. Use this machine only for its intended use as described in this manual. Use only attachments
recommended by the manufacturer as contained in this manual.
3. Never operate this machine if it is not working properly, if it has been dropped or damaged, or dropped
into water. Return the machine to the nearest authorized dealer or service center for examination, repair,
electrical or mechanical adjustment.
4. Never drop or insert any object Into any opening.
5. Do not use outdoors.
6. Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
7. To disconnect, turn ail controls to the off position, then remove plug form outlet.
8. Neveroperatethemachineunlessitsoilpanhasbeenlledwithoil.
OPERATION PRECAUTIONS “SAVE THESE INSTRUCTIONS”
1. Never operate the machine with any air openings blocked. Keep ventilation openings of the sewing
machine tree from the accumulation of lint, dust, and loose cloth.
2. Keepngersawayfromallmovingparts.Specialcareisrequiredaroungthesewingmachineneedle.
3. Always use the proper needle plate. The wrong plate can cause the needle to break.
4. Do not use bent needles.
5. Donotpullorpushfabricwhilestitching.Itmaydeecttheneedlecausingittobreak.
6. Switch the sewing machine off when making any adjustments in the needle area, such as threading needle,
changing needle, threading bobbin, or changing presser foot, and the like.
7. Always disconnect power source from sewing machine when removing covers, Iubricating, or when
making any other user servicing adjustments mentioned in the Instruction manual.
8. Keep your hands away from the needle when you turn the power switch ON or while the machine is
operating.
9. Donotputyourngersintothethreadtake-upcoverwhilethemachineisoperating.
10. Be sure to turn the power switch OFF before tilting the machine head or removing the V belt.
11. While the sewing machine is in operation, be careful not to allow your or any other person’s head or
hands to come close to the handwheel, V belt, bobbin winder or motor. Also, do not place anything close
to them. Doing so may be dangerous.
12. Ifyourmachineisprovidedwithabeltcover,ngerguardoranyotherprotectors,donotoperateyour
machine with any of them removed.
13. To achieve security, be sure that the power supply earth wire has been connected before operating the
sewing machine.
14. No motor sound is heard when the sewing machine is not operating. So, do not forget to turn the power
OFF at the end of work.
15. When you move the unit from a cold place directly to a warm place, dew condensation may result. Turn
ONthepowertotheunitafteryouhaveconrmedthereisnofearofdewcondensation.
16. In case of thunder, be sure to stop the unit and remove the power plug from the receptacle for extra
safety.
17. Whenever you connect/remove the power connector or the like, be sure to turn OFF the power switch
beforehand.
SC-810 for JUS

iii
ENGLISH
FOR SAFE OPERATION
1. To avoid electrical shock hazards, neither open the cover of the electrical box for
the motor nor touch the components mounted inside the electrical box while the
power switch is ON.
1. So as to avoid personal injuries, never operate the machine with the safety devices
such as the belt cover and the eye-guard cover removed.
2. So as to avoid personal injuries caused by being caught in the machine, during
operation, be careful not to allow your or any other person’s head, hands or clothes
to come close to the handwheel, V-belt or motor. Also, do not place anything close
to them.
 3. Soastoavoidinjuriestongersandhands,becarefulnottoallowyourorany
otherperson’sngerstocomeclosetotheclothcuttingknifeortheneedlewhen
turning ON the power or during operation.
 4. Soastoavoidinjuriestongersandhands,donotplacethengersinsidethe
eye-guard cover.
5. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF
the power switch and ascertain that the sewing machine does not run even if the
starting pedal is depressed when removing belt cover, motor pulley or V-belt.
6. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF
the power switch and ascertain that the sewing machine does not run even if
the starting pedal is depressed when performing such works as inspection or
adjustment of the sewing machine, cleaning, threading, replacing the needle, etc.
7. So as to avoid electrical shock hazards, do not operate the machine with the power
supply earth wire removed.
8. So as to avoid electrical shock hazards and accidents caused by damaged
electrical components, be sure to turn OFF the power switch before inserting/
detaching the power plug.
9. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF
the power switch when leaving the sewing machine table.
10. So as to avoid personal injuries caused by abrupt start of the machine, turn OFF
the power switch when the electricity fails.
11. So as to avoid personal injuries caused by being caught in the machine, the motor
pulley should be attached with the pulley cover as well as the catching protection
pin.
12. When changing the set value described in the functions for maintenance (attached
with * mark) on the function setting list in this Instruction Manual, be sure to
purchase the Engineer’s Manual and perform the work after fully understanding the
contents.
If the set valve is carelessly changed, it is in danger of causing the machine to be
broken or the performance to be deteriorated. So, be careful.
13. Be careful of handling this product so as not to pour water or oil, shock by
dropping, and the like since this product is a precision instrument.

iv
CONTENTS
!. SPECIFICATIONS ..................................................................................... 1
@. SET-UP...................................................................................................... 1
1. Installing the box bracket..........................................................................................1
2. Installing the control box ..........................................................................................1
3. Attaching the connecting rod ...................................................................................2
4. Connecting the cords ................................................................................................2
5. Setting procedure of the machine head ..................................................................6
6. Machine head list .......................................................................................................6
7. Adjusting the machine head .....................................................................................7
#. FOR THE OPERATOR .............................................................................. 8
1. Operating procedure of SC-810................................................................................8
2. Explanation of the operation panel ........................................................................10
3. Setting for functions of SC-810 ..............................................................................14
4. Function setting list.................................................................................................16
5. Detailed explanation of selection of functions .....................................................19
6. Automatic compensation of neutral point of the pedal sensor ...........................25
7. Setting of the auto lifter function ...........................................................................25
8. Initialization of the setting data ..............................................................................26
$. MAINTENANCE ...................................................................................... 27
1. Replacing the fuse ...................................................................................................27
2. Error codes...............................................................................................................29

– 1 –
ENGLISH
!. SPECIFICATIONS
@. SET-UP
Install the motor unit to the control box following the instructions below.
2. Installing the control box
Spring
washer
Nat
Convex
washer
Supply voltage Single phase 220 to 240V
Frequency 50 Hz / 60 Hz
Operating environment Temperature : 0 to 40˚C Humidity : 90% or less
Input 320VA
1
Install the control box on the table with the tting bolt
asm. supplied with the unit as accessories.
At this time, insert the nuts and washers supplied
with the unit as accessories as shown in the gure
so that the control box can be securely xed on the
table.
1) Press three bolts 1supplied with the unit as ac-
cessories into the hanging bolt hole in the table
and x them.
2) Temporarily tighten convex washer, spring wash-
er and nut on the side where two bolts are at-
tached.
3) Hang the control box to the washer which has
been temporarily tightened, and attach convex
washer, spring washer and nut to the other bolt
on the opposite side.
4) After adjusting the installing position of the con-
trol box, securely tighten the respective nuts.
21
1. Installing the box bracket
Fix box bracket, right 1and box bracket, left 2in
the direction as shown in the gure using the bolts
supplied with the unit as accessories.

– 2 –
Following connectors are prepared when loosening the connector cover 1 xing screws A of SC-810 and
opening the cover. Connect the machine head connectors to the positions corresponding to each other so as
to t the devices mounted on the machine head.
WARNING :
• To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after
turning OFF the power switch and a lapse of 5 minutes or more.
• Topreventdamageofdevicecausedbymaloperationandwrongspecications,besuretoconnect
allthecorrespondingconnectorstothespeciedplaces.
• To prevent personal injury caused by maloperation, be sure to lock the connector with lock.
• As for the details of handling respective devices, read carefully the Instruction Manuals supplied
with the devices before handling the devices.
4. Connecting the cords
1CN30 Motor signal connector
2CN36 Machine head solenoid connector
3CN37 Presser foot lifter solenoid connector
4CN56 Safety switch
5CN38 CP panel connector
6CN55 CN55 +24V power
7CN50 Output connector for optional
AA
23
1
4
5
Unused connector
6
7
1
3. Attaching the connecting rod
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and a lapse of 5 minutes or more.
1) Fix connecting rod 1to installing hole Bof ped-
al lever 2with nut 3.
2) Installing connecting rod 1to installing hole A
will lengthen the pedal depressing stroke, and
the pedal operation at a medium speed will be
easier.
1
2
A
B
3

– 3 –
ENGLISH
2) Pressing down the protrusion on the top surface
of connector cover 3, open the connector cover
toward you.
1) Pass cords 1of the thread trimming solenoid, reverse-stitching solenoid, etc. and the cord from the mo-
tor through hole Ain the table to route them down under the machine table.
3) Connect 14P code 3coming from the machine
head to connector 8 (CN36).
4) When the optional AK device is attached, con-
nect 2P connector 4coming from the AK device
to connector 7 (CN37).
5) Connect connector 5coming from the motor to
connector 9 (CN30) on the circuit board.
3
(Caution) 1. When using the AK device, set it after
conrminghowtoselecttheauto-lifter
function. (Refer to page 25.)
2. Be sure to securely insert the respec-
tive connectors after checking the in-
serting directions since all connectors
have the inserting directions.
(When using a type with lock, insert the
connectors until they go to the lock.)
The sewing machine is not actuated un-
less the connectors are inserted prop-
erly. In addition, not only the problem
of error warning or the like occurs, but
also the sewing machine and the con-
trol box are damaged.
1
!4
4
6
8
9
!5
3
2
5
7
1
A
1
1
A
2
1
1

– 4 –
8) Close connector cover 3.
(Caution) Take care not to allow the cord to be
caught in connector cover 3.
7) After inserting the connector, put all cords togeth-
er with cable clip band !1 located on the side of
the box.
2
1
1
2
!1
3
[ Connection of the connector for CP panel ]
Connector for connecting CP-160/170 is prepared.
Paying attention to the orientation of the connector
1, connect it to connector 2 (CN38) located on the
circuit board. After connecting, securely lock the con-
nector.
(Caution) Be sure to turn OFF the power before con-
necting the connector.
[ Connection of the pedal of standing-work machine ]
Connect the connector of PK70 1to connector 2
(CN39 : 12P) of SC-810.
(Caution) Be sure to turn OFF the power before con-
necting the connector.

– 5 –
ENGLISH
11) When using the CP panel, bundle the cables of
machine head in one place using cable clip band
!6 supplied with CP panel as accessories as
shown in the gure.
!2
!3
!4 !5
9) Connect connector 4P !2 to connector !
3locat
ed
on the side of the box.
10) Connect motor outpu t cord !4 of the power switch
to connector !5.
12)Make sure that the power switch is turned OFF
and insert power supply cord coming from the
power switch into the power plug socket.
(Caution) 1. Check again the supply voltage indicat-
ed on the control box before connect-
ing the power cord.
2. Be sure to prepare power plug !8 con-
formed to the safety standard.
3. Be sure to connect the ground wire (
green / yellow).
!6
!8

– 6 –
6. Machine head list
No. Machine head Type Contents of
display
Number of
revolutions at the
time of delivery
(rpm)
Max. number of
revolutions (rpm)
1 DDL-9000A-SS,-MA,-MS SS/MA/MS 4000 5000 ＊
2DDL-9000A-DS DS 4000 4000
3DDL-9000A-SH SH 4000 4500
＊ Machine head set at the time of delivery
5. Setting procedure of the machine head
1) Refer to "#-3. Setting for functions of
SC-810", and call the function setting No. 95.
2) The type of machine head can be selected by
pressing switch
1
( switch
2
).
3) After selecting the type of machine head, by
pressing switch 3( switch 4), the step
proceeds to 96 or 94, and the display automati-
cally changes to the contents of the setting cor-
responding with the type of machine head.
(Caution) When the type of machine head is
changed, the contents which have been
changed before return to the standard set
values.
(Caution) Machine type setting of type DS is automatically set and it is not possible to set the machine type
with the manual.
1 2
3 4

– 7 –
ENGLISH
23
4
B
A
7. Adjusting the machine head
WARNING :
Be sure to perform the angle adjustment of the machine head by the operation below before using
the machine head.
1) Simultaneously pressing switch 2and
switch 3, turn ON the power switch.
2) is displayed (A) in the indicator and the
mode is changed over to the adjustment mode.
3) Turn the handwheel by hand and angle Bis dis-
played in the indicator when the reference signal
has been detected. (The value is a reference
value.)
4) In this state, align the white dot 5 of the hand-
wheel with the concave 6of the pulley cover as
shown in the gure.
5) Press switch 4to finish the adjustment
work. (The value is a reference value.)
65

– 8 –
#. FOR THE OPERATOR
1. Operating procedure of SC-810
1) Press ON button 1of the power switch to turn
ON the power.
(Caution) When the power display LED does not
light up even when the power switch
is turned ON, immediately cut off the
power and check the voltage. In addi-
tion, re-turn ON the power switch in
such a case when 5 minutes or more
have passed after turning OFF the
power switch. (When overvoltage is
entered, the protecting circuit works
and the re-turning ON in the state that
the power is not completely turned
OFF is not accepted.
1
When operation panel (CP-170) is not used
LED of the display of reverse stitching or overlapped stitching at the
front cover of control box lights up. (A)
* The power display LED that is built in the machine head lights
up according to the machine head.
When operation panel (CP-170) is used
Power lamp of CP-170 lights up.
Two dots Bof the number indicating window at the front cover of
control box light up.
(Caution) When the buzzer continues sounding immediately after
turning ON the power, the cord may not be properly con-
nected or power voltage may be not proper. Press OFF
button 2of the power switch to turn OFF the power.
2) When the needle bar is not in UP position, it automatically turns
[When operation panel is connected]
[When operation panel is not connected]
A
B
to the UP position.
(Caution) When turning ON the power for the rst time, there is the case where the timing is slightly retarded
to perform the initialization work. When turning ON the power, the needle bar moves. Do not put your
hands or things under the needle.al, thread trimming is performed.
3) When depressing front part 3of the pedal, the
sewing machine rotates at the number of revolu-
tions in accordance with the depressing amount.
When the pedal is returned to the neutral posi-
tion, the sewing machine stops.
4) When lightly depressing back part 4of the ped-
al, the presser goes up. (PFL type only)
5) When strongly depressing back part 5of the
pedal, thread trimming is performed.
(Caution) For KFL and PFL types, thread
trimming entering point is different
from each other.
4
3
5
Display of power ON

– 9 –
ENGLISH
6) When operation panel 6is connected, various
sewing patterns such as reverse feed stitching
at sewing start, reverse feed stitching at sewing
end, etc. can be set.
Refer to the Instruction Manual for the operation
panel for the details.
8) When sewing is completed, press OFF button 2
of the power switch to turn OFF the power switch
after confirming that the sewing machine has
stopped.
7) When pressing touch-back switch 7, reverse
feed can be performed.
7
6
2
CFour dots (C) in the numeral indicating window
momentarily light up as shown in the figure,
showing that the state has moved to the power
OFF state.

– 10 –
2. Explanation of the operation panel
1 / switch : Used for determining the contents of setting.
When this switch is pressed, ashing stops and the contents of
setting are determined.
2 / switch : Used for changing the contents of setting.
When this switch is pressed, changeable positions ash on and off.
By pressing the switch, ashing position shifts in the right direction.
3switch : Used for changing the contents of the selected display (ashing
section). When this switch is pressed, the contents of the display
increase.
4 switch : Used for changing the contents of the selected display (ashing
section).
When this switch is pressed, the contents of the display decrease.
5 PATTERN SELECTION display : The selected LED lamp lights up in case of Areverse stitching
LED and Boverlapped stitching.
6 REVERSE STITCHING : Rendered effective when reverse stitching pattern is selected.
AT START display “ ” Without reverse stitching display / “ ” Reverse stitching display /
“” Double reverse stitching display
7 REVERSE STITCHING : Rendered effective when reverse stitching pattern is selected.
AT END display “ ” Without reverse stitching display / “ ” Reverse stitching display /
“” Double reverse stitching display
8
NUMBER OF STITCHES display : Number of stitches of reverse stitching or overlapped stitching is
displayed.
9 AUTOMATIC : Lights up when the automatic thread trimming by depressing the
THREAD TRIMMING display front part of the pedal is selected.
(Lights up when the overlapped stitching is selected.)
!0
THREAD TRIMMING : Lights up when the thread trimming prohibition is selected.
PROHIBITION display Function setting No. 9
!1 ONE-SHOT AUTOMATIC : Lights up when the one-shot automatic stitching is selected.
STITCHING display (Lights up when the overlapped stitching is selected.)
124
3
!1
6789!0
5
AB

– 11 –
ENGLISH
3) Press switch 4or switch 3and select
the reverse stitching pattern.
Reverse stitching patterns and displays are as
follows.
: Reverse stitching
: Double reverse stitching
: Without reverse stitching
4) Press / switch 2to make reverse stitch-
ing at end display 7 ash on and off, and set the
pattern in the same way as step 3).
[ Setting procedure of the reverse stitching ]
1) Hold pressing / switch 2, and press
/ switch 1to select the reverse stitch-
ing pattern.
(Every time / switch 1is pressed, re-
verse stitching pattern/overlapped stitching pat-
tern change over alternately.)
Operating procedure of the sewing pattern
(1) Reverse stitching pattern
Reverse stitching patterns below can be set by using the operation panel.
Contents of reverse
stitching selection
updating with swith 4
updating with swith 3
Overlapped stitching pattern
Reverse stitching pattern
Reverse stitching
at start display
Sewing pattern
Reverse stitching
at end display
D
C
A
B
D
C
A
B
A
B B
AA
B
A
B
D
C
D
C
A
B
D
C
D
C
D
C
D
C
D
C
A
B
A
B
4
3
⇔
2
12
1
LED lights Up. LED lights Up.
6Flash
2
2
7Flash
2) Press / switch 2to make reverse stitch-
ing at start display 6 ash on and off.
Every time / switch 2is pressed, the
ashing position shifts in the right direction.
(Caution) The sewing machine does not start in the
ashingstate.
Reverse stitching patterns that can be set
Shift direction

– 12 –
5) Press / switch 2to make number of
stitches display 8 ash on and off, and set the
number of stitches for the respective processes
of the stitching.
6) Press switch 4or switch 3to change
the number of stitches.
The number of stitches can be changed up to as
many as 15 stitches for the A, B, C, and D proc-
esses respectively.
However, displays are as follows.
10 stitches = A, 11 stitches = b, 12 stitches = c, 13
stitches = d, 14 stitches = E and 15 stitches = F
7) When the setting of all items has been completed,
press / switch 1to determine the con-
tents of the setting. (Flashing stops.)
(2) Overlapped stitching pattern
2
134
8
Flash
Overlapped stitching pattern
Reverse stitching pattern
⇔
2
12
1
LED lights Up. LED lights Up.
Flash
2
134
Overlapped stitching patterns below can be set by using the operation panel.
A : Number of stitches of normal stitching setting
0 to 15 (F) stitches
B : Number of stitches of reverse stitching setting
0 to 15 (F) stitches
C : Number of stitches of normal stitching setting
0 to 15 (F) stitches
D : Number of times of repetition
0 to 9 times
(Caution) When process D is set to 5 times, the sew-
ing is repeated as A /B /C /B /C.
[Setting procedure of the overlapped stitching]
1) Hold pressing / switch 2, and press
/ switch 1to select the overlapped stitching
pattern.
(Every time / switch 1is pressed, re-
verse stitching pattern/overlapped stitching pat-
tern change over alternately.)
2) The number of stitches for process A becomes in
ashing state.
3) Every time / switch 2is pressed, the
ashing position shifts in the right direction and
the display of the process where setting can be
changed ashes on and off.
4) Press switch 4or switch 3to change
the number of stitches.
5) When the setting of all processes has been com-
pleted, press / switch 1to determine
the contents of the setting. (Flashing stops.)
(Caution) When the overlapped stitching is selected,
the automatic operation display flashes
on and off. It is not possible to release the
automatic operation.
A
B
C
B
C
D

– 13 –
ENGLISH
(3) Special setting
For the thread trimming prohibiting function which is displayed in the front panel, it is possible to change the
set value by directly moving to the function setting mode while the power is turned ON in addition to the nor-
mal function setting procedure.
1Thread trimming prohibition function setting
(Function setting No. 9)
Thread trimming operation at normal stitching
and overlapped stitching can be prohibited by se-
lecting the thread trimming prohibition.
It is possible to change the set value with
switch 4or switch 3.
0 : Thread trimming is effective.
1 : Thread trimming is prohibited.
When "1" is selected, the
thread trimming prohibition
display lights up when the
mode is returned to the nor-
mal one.
2
14
234
[ Moving procedure to the function setting mode ]
1) Hold pressing / switch 2, and press
switch 4to move to the function setting
mode.
(Caution) Function setting No. 9 is displayed imme-
diately after the changeover.
2) When returning to the normal mode, press /
switch 1and determine the contents of the
setting.

– 14 –
3. Setting for functions of SC-810
Functions can be selected and specied by means of the four setting switches and light emitting diode lo-
cated inside the front cover of the SC-810.
(Caution) • Do not perform switch operations other than those described in the following explanations.
• Be sure to re-turn the power switch ON after one second or more has passed. If the power is
turned ON immediately after turning it OFF, the sewing machine may not work normally. In this
case, turn ON the power again.
How to change over to the function setting mode
1) Turn OFF the power to the unit.
2) Pressing switch 4, turn ON the power to the
unit.
1Switch for entering specied value changed
and updating setting No. in DOWN direction
2Switch for entering specied value changed
and updating setting No. in UP direction
SpeciedvalueSpeciedNo.
3Down switch (DOWN)
4
Up switch (UP)
4
3) Indication 5and 6will be shown on the screen
display.
(The indication item shows the item, the setting
of which was changed the last time.)
* If the indication fails to change, re-perform the
procedures 1) and 2).
5
6
1 2 3 4