Janome 4800 manual Balanced Thread Tension, Auto-thread tension, Manual thread tension adjustment

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Balanced Thread Tension

•Auto-thread tension

When the thread tension dial is set at “AUTO” for auto- matic thread tension, the green light will be on.

The balanced thread tension is set automatically.

1Set “AUTO” mark of thread tension dial with the indication line.

2Green light on or off.

3Display screen shows “AUTO”.

[1]

5

7

4

For straight stitch sewing, both needle and bobbin threads will join at the middle of the fabric.

For zigzag stitch sewing, the needle thread will appear slightly on the wrong side of the fabric.

[3]

[2]

6

4

5

7

6

[1]Balanced thread tension:

4 Wrong side of fabric

5 Right side of fabric

6 Bobbin thread

7 Top thread (needle thread)

•Manual thread tension adjustment

If the thread tension doesn't balance, set the thread tension dial at 0 to 9 and green light will disappear and you can adjust the desired thread tension setting manu- ally.

The screen shows the recommended tension setting for normal sewing.

5

2

4

3

8

4

5

7

[4]

[5]

6

[2] If the top thread is too tight, the bobbin thread ap-
pears
on the right side of the fabric.
4	Wrong side of fabric
5	Right side of fabric
6	Bobbin thread
7	Top thread (needle thread)
8	Display screen tension setting
[3] Turn the thread tension dial in the direction of the
arrow to decrease the number.
[4] If the top thread is too loose, the bobbin thread
appears on the underside of the fabric.
4	Wrong side of fabric
5	Right side of fabric

5

4

3

6	Bobbin thread
7	Top thread (needle thread)
8	Display screen tension setting

2

8

[5] Turn the thread tension dial in the direction of the

arrow to increase the number.

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Contents

Instruction Book Table of Contents Section V Care of Your Machine 2426 3 2Names of Parts Extension Table Screen Sharpness Adjusting DialStandard Accessories Controlling Sewing Speed Connecting Machine to Power SupplyFor Your Safety Reverse button 6 7 8 9 10 11 Main Function of Buttons / KeysUp/down needle position button Auto-lock buttonStitch width selection key Mode selection keyTwin needle key Editing keyStock/call key Message keyTurn-over memory key Elongation keyDirect pattern selection and number keys Clear keyMemory key Number key selection 3 4Pattern selection and screen indication Buzzer Memory Mode/Buzzer Sound/Multiple Language SettingsNormal / Resumption Mode Language selection settingPresser Foot Lifter To Raise or Drop the Feed DogsPressure Dial To Remove and Attach the Foot Holder Changing NeedlesTo Attach and Remove the Presser Foot Selecting Needle and Thread Light WeightRemoving the bobbin Winding the BobbinSet the spool Winding the bobbin Inserting the bobbin Threading the machine Threading the MachineNeedle threader Drawing up the bobbin thread Auto-thread tension Manual thread tension adjustmentBalanced Thread Tension Finishing sewing Straight Stitch SewingStarting to sew Changing sewing directionTurning Square Corners Using the Quilting BarUsing the Seam Guides on the Needle Plate Practice Common Stitching SkillsVariable needle position 123Manual stitch length Basting Various Utility StitchesAuto-lock stitch Straight stitchAutomatic reverse stitch Triple stretch stitchSculpture stitch Stretch stitchSaddle stitch To change the width and length Zigzag StitchInterfacing Tricot stitch Variation of Zigzag StitchesOvercasting Overedge sewing Knit stitchOveredge Sewing Section IV Decorative Stitching TechniquesSewing Buttons Automatic buttonholing Sensor ButtonholeSewing preparation Starting sewing 1315 Adjusting Stitch Width and Density in ButtonholesSensor buttonhole 09 Adjusting the stitch width and density in buttonholes 09678 910 Corded Buttonholes 3 a Free Size Automatic Buttonhole Fabric preparation Zipper SewingPut in a zipper Attaching the zipper footZipper Sewing, cont’d To memorize darning stitches Adjusting the shape of darning stitches1232 Darning For darning less than 2 cmMemorizing bartacking Adjusting the evenness of bartacking stitchesBartacking Rolled Hem Changing the needle position How to fold the fabricHow to sew Blind Stitch HemmingQuilting PintuckingApplique Shell TackFagoting SmockingScallop Stitch B Scallop Stitch aSatin Stitch Sewing PatchworkDecorative Stitch Cross StitchCording Twin Needle Stitching Adjusting the stitch density for buttonhole ABC Adjusting Pattern BalanceAdjusting distorted stretch stitch patterns Adjusting distorted letters or numbers in B or C ModeProgramming Decorative Stitch Patterns 61 Restarting Programmed Patterns Cycle Stitching with Mirror Image PatternsSewing sample, stitch pattern ElongationSewing Letters in Block Style Combining Letters in Script Style Deleting a stitch pattern, letter or number by editing Editing FunctionCheck and correct pattern combination before sewing Adding letters or space between letters Custom stitch sizing Uniform width, length adjustmentReplacing the Bobbin Holder Cleaning the Hook Race and Feed DogsCare of Your Machine Attaching the light bulb Replacing the Light BulbRemoving the light bulb Troubleshooting When message appears on the screen Troubleshooting, cont’d