4 - 3
Adjustment
Adjustment
Starting test mode/Starting and stopping operation
4. Test modes (used for adjustments)
No. Mode
Z (zigzag)
operations
F (feed)
operations
Operating speed Used adjustment
Ref.
page
02
3 Point
Needle Drop
Switches base line with each
stitch.
*Switches left base line/center
base line/right base line with
pressing .
0mm
(none)
Any speed may be
selected using the
speed control lever.
Left base line
needle drop
4 - 7
Rotary hook unit
position
4 - 8
Needle clearance
left/right
4 - 9
Needle bar rising 4 - 10
Needle bar height 4 - 11
Clearance
between needle
and rotary hook
point
4 - 12
04
Switch
Monitor
When each switch was turned ON/OFF, the number displayed on the
right side of LCD changes.
(Presser switch, BH lever switch, BH switch, Bobbin winder switch)
* In case of models equipped with the buzzer, One beep sounds when
each switch was turned ON/OFF.
BH lever switch
position
4 - 17
05
Forward and
Reverse
Feed
100 stitches forward on the left base line.
100 stitches reverse on the right base line.
Switches low/middle/
high speed with
pressing .
Feed forward/
backward
4 - 15
07
Feed Dog
Position
Stops center base line.
Switches
0mm/5mm
with pressing
.
Any speed may be
selected using the
speed control lever.
Front/back and
left/right position of
feed dog
4 - 19