Brother Quattro 3 User Manual
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STITCH SETTINGS Sewing Basics 79 2 Setting the Stitch Length Follow the steps below when you want to change the stitch pattern length. Example: Press to shorten the stitch length. →The value in the display gets smaller. Press to lengthen the stitch length. →The value in the display gets bigger. Setting the Thread Tension You may need to change the thread tension, depending on the fabric and thread being used. Follow the steps below to make any necessary changes. ■ Proper Thread Tension The upper thread and the bobbin thread should cross near the center of the fabric. Only the upper thread should be visible from the right side of the fabric, and only the bobbin thread should be visible from the wrong side of the fabric. a Wrong side b Surface c Upper thread d Bobbin thread Memo Press to check changes made to the stitch. Press to return the stitch length to the original setting. CAUTION If the stitches get bunched together, lengthen the stitch length and continue sewing. Do not continue sewing without lengthening the stitch length. Otherwise, the needle may break and cause injury.
STITCH SETTINGS 80 ■Upper Thread is Too Tight If the bobbin thread is visible from the right side of the fabric, the upper thread is too tight. a Bobbin thread b Upper thread c Surface d Locks appear on surface of fabric Press , to loosen the upper thread. ■Upper Thread is Too Loose If the upper thread is visible from the wrong side of the fabric, the upper thread is too loose. a Upper thread b Bobbin thread c Wrong side d Locks appear on wrong side of fabric Press , to tighten the upper thread. Note If the bobbin thread was incorrectly threaded, the upper thread may be too tight. In this case, refer to “Setting the Bobbin” (page 54) and rethread the bobbin thread. Memo When you finish sewing, remove the bobbin cover and then make sure that the thread is shown as below. If the thread is not shown as below, the thread is not inserted through the tension-adjusting spring of the bobbin case correctly. Reinsert the thread correctly. For details, refer to page 54. Note If the upper thread was incorrectly threaded, the upper thread may be too loose. In this case, refer to “Upper Threading” (page 57) and rethread the upper thread. Memo Press to return the thread tension to the original setting.
USEFUL FUNCTIONS Sewing Basics 81 2 USEFUL FUNCTIONS Automatic Reinforcement Stitching After selecting a stitch pattern, turn on the automatic reinforcement stitching function before sewing, and the machine will automatically sew reinforcement stitches (or reverse stitches, depending on the stitch pattern) at the beginning and end of sewing. aSelect a stitch pattern. bPress to set the automatic reinforcement stitching function. →The key will display as . cSet the fabric in the start position and start sewing. aReverse stitches (or reinforcement stitches) → The machine will automatically sew reverse stitches (or reinforcement stitches) and then continue sewing. dPress the “Reverse/Reinforcement Stitch” button. aReverse stitches (or reinforcement stitches) → The machine will sew reverse stitches (or reinforcement stitches) and stop. Memo Some stitches, such as buttonholes and bar tacks, require reinforcement stitches at the beginning of sewing. If you select one of these stitches, the machine will automati- cally turn on this function (the key appears as when the stitch is selected). Memo If you press the “Start/Stop” button to pause sewing, press it again to continue. The machine will not sew reverse/reinforcement stitches again. Memo To turn off the automatic reinforcement stitching function, press again, so it appears as .
USEFUL FUNCTIONS 82 Automatic Thread Cutting After selecting a stitch pattern, turn on the automatic thread cutting function before sewing, and the machine will automatically sew reinforcement stitches (or reverse stitches, depending on the stitch pattern) at the beginning and end of sewing, and trim the threads at the end of sewing. This function is useful when sewing buttonholes and bar tacks. aSelect a stitch pattern. bPress to set the automatic thread cutting function. →The key will display as . cSet the fabric in the start position and start sewing. aReverse stitches (or reinforcement stitches) → The machine will automatically sew reverse stitches (or reinforcement stitches) and then continue sewing. dPress the “Reverse/Reinforcement Stitching” button. aReverse stitches (or reinforcement stitches) → The machine will sew reverse stitches (or reinforcement stitches), then trim the thread. Memo This function is set automatically when sew- ing embroidery. Memo If you press the “Start/Stop” button to pause sewing, press the same button again to con- tinue. The beginning reverse/reinforcement stitches will not be sewn again. Memo To turn off the automatic thread cutting func- tion, press again, so it appears as .
USEFUL FUNCTIONS Sewing Basics 83 2 Using the Knee Lifter Using the knee lifter, you can raise and lower the presser foot with your knee, leaving both hands free to handle the fabric. aChange the operating position of the knee lifter handle before inserting into the machine. Slide up the knee lifter handle slightly and rotate it while releasing pressure so handle will click into position. * The knee lifter can be adjusted to three different angles. a Knee lifter handle → Rotate knee lifter handle till it clicks into the selected position that is most comfortable for you. bAlign the tabs on the knee lifter with the notches in the knee lifter slot on the front of the machine. Insert the knee lifter bar as far as possible. cUse your knee to move the knee lifter bar to the right in order to raise the presser foot. Release the knee lifter to lower the presser foot. CAUTION Only change position of the knee lifter handle when knee lifter is not on the machine, otherwise the knee lifter may damage the mounting slot on front of the machine. Note If the knee lifter bar is not pushed into the mounting slot as far as possible, it may come out during use. CAUTION Be sure to keep your knee away from the knee lifter during sewing. If the knee lifter is pushed during machine operation, the needle may break or the thread tension may loosen. Memo When the presser foot is in the up position, move the knee lifter to the far right and then release to return the presser foot to the down position.
USEFUL FUNCTIONS 84 Pivoting If the pivot setting is selected, the machine stops with the needle lowered (in the fabric) and the presser foot is automatically raised to an appropriate height when the “Start/Stop” button is pressed. When the “Start/Stop” button is pressed again, the presser foot is automatically lowered and sewing continues. This function is useful for stopping the machine to rotate the fabric. aSelect a stitch. bPress to select the pivot setting. →The key appears as . CAUTION When the pivot setting is selected, the machine starts when the “Start/Stop” button is pressed or the foot controller is pressed down even if the presser foot has been raised. Be sure to keep your hands and other items away from the needle, otherwise injuries may occur. Memo When the pivot setting is selected, the height of the presser foot when sewing is stopped can be changed according to the type of fabric being sewn. Press to display “Pivoting Height” on 2/8 of the settings screen. Press or to select one of the three heights (3.2 mm, 5.0 mm or 7.5 mm). To raise the presser foot further, increase the setting. (Normally, 3.2 mm is set.) Note The “Needle Position – UP/DOWN” (3/8 of the settings screen) must be set in the down position for the pivot function to be used. When “Needle Position – UP/DOWN” is set in the raised position, appears as light gray and cannot be used. The pivot function can only be used with stitches where presser foot J or N is indicated in the upper-left corner of the screen. If any other stitch is selected, appears as light gray and is not available. Use the “Presser Foot Lifter” button to make sure the presser foot is lowered, and then press the “Start/Stop” button to continue sewing. If the pivot setting is selected, and beside “Presser Foot Height” in the settings screen are not available and the setting cannot be changed.
USEFUL FUNCTIONS Sewing Basics 85 2 cPlace the fabric under the presser foot with the needle at the starting point of the stitching, and then press the “Start/Stop” button. The machine will begin sewing. dPress the “Start/Stop” button to stop the machine at the point where the sewing direction changes. →The machine stops with the needle in the fabric, and the presser foot is raised. eRotate the fabric, and then press the “Start/ Stop” button. →The presser foot is automatically lowered, and sewing continues. Automatic Fabric Sensor System (Automatic Presser Foot Pressure) The thickness of the fabric is automatically detected and the presser foot pressure is automatically adjusted with an internal sensor while sewing, to insure that your fabric is fed smoothly. The fabric sensor system works continuously while sewing. This function is useful for sewing over thick seams (see page 75), or quilting (see page 113). aPress . →The settings screen appears. bSet “Automatic Fabric Sensor System” to “ON”. cPress to return to the original screen. Memo If you press the “Start/Stop” button to pause sewing, press it again to continue, reverse stitches (or reinforcement stitches) will not be sewn.
USEFUL FUNCTIONS 86 Needle Position – Stitch Placement When the “Needle Position – Stitch Placement” is on, the needle will be partially lowered for precise stitch placement and then press the “Needle Position” button to lower the needle completely. Each press of the “Needle Position” button changes the needle to the next position. When the “Needle Position – Stitch Placement” is turned off, each press of the “Needle Position” button simply raises and then lowers the needle. aPointing needle mode is ON b Pointing needle mode is OFF * When the needle is nearly lowered by pressing the “Needle Position” button, the feed dogs are lowered. At this time, the fabric can be shifted to finely adjust the needle drop position. aPress . bSet “Needle Position – Stitch Placement” to “ON” or “OFF”. cPress to return to the original screen. Locking the Screen If the screen is locked before starting to sew, the various settings such as the stitch width and stitch length are locked and cannot be changed. This prevents screen settings from accidentally being changed or the machine from being stopped while large pieces of fabric or projects are being sewn. The screen can be locked when sewing utility stitches and character decorative stitches. aSelect a stitch pattern. bIf necessary, adjust any settings such as the stitch width and stitch length. cPress to lock the screen settings. →The key appears as . dSew your project. eWhen you are finished sewing, press again to unlock the screen settings. CAUTION If the screen is locked ( ), unlock the screen by pressing . While the screen is locked, no other key can be operated. The settings are unlocked when the machine is turned off and on.
USEFUL FUNCTIONS Sewing Basics 87 2 Checking the Needle Location in the Screen Press to use the built-in camera to view the sewing area in the LCD screen. View the location of the needle from 2 different angles and the needle drop position, even if the needle has not actually been lowered. →The camera view window appears. a CAMERA IMAGE b GRID VIEW c CLOSE d VIEW ANGLE e NEEDLE DROP POSITION f ZOOM CAMERA IMAGE Press this key to save a camera image to the USB media. Insert the USB media to the machine to save a camera image (Refer to “Saving a Settings Screen Image to USB Media” on page 39). The files for camera images are saved with the name “C**.BMP”. A maximum of 100 camera images can be saved in one USB media. * “**” in the name “C**.BMP” will automatically be replaced with a number between 00 and 99. GRID VIEW Press this key to display a grid. CLOSE Press this key to close the screen. VIEW ANGLE Each press of switches the built-in camera between a front view and an angled top view. NEEDLE DROP POSITION Press to show the needle drop position in the screen as “ ”. Lower the presser foot before pressing . Once the needle drop position appears on the screen, you can raise the presser foot and change the needle drop position by moving the fabric. aNeedle drop position ZOOM Press to enlarge the image in the screen. Press again to return the image to its original display size. c d e f a b Note The camera view window disappears when you start sewing. When sewing thick fabrics, the needle drop position indicated in the screen may differ from the actual position. a