Brother International BAS-611 Instruction Manual - English - Page 34

Sensor, Sensitivity, Adjustment

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FLAP SENSOR SENSITIVITY ADJUSTMENT (BAS-611, BAS-612) 1. Set MODE selector 0 to PROGRAM and set the seam length to 190 mm. 2. Set MODE selector 0 to MANUAL. 3. Position the material so as not to cause wear to the rubber cushion on the back of the carriage feed. 4. Press start switch 0 . Flap sensors 0 (both right and left) will start monitoring after the carriage feed is moved to the sewing start position. 5. Move the carriage feed forward by hand from where it stopped to where sensor window 0 is positioned under sensor 0 . Adjust the sensitivity as described under "Sensitivity adjustments" on the next page. 6. Move the carriage feed from position A to B (the full length of the sensor window) by hand and make sure that FLAP SENSOR indicators 0 and 0 do not illuminate. 7. When adjustment is completed, press EMERGENCY STOP switch 0 . The carriage feed will return to the home position. MODE AUTOMATIC MANUAL • PROGRAM • KNIFE CHANGE & CYCLE PGM. rt - SEAM BOBBIN `,--"•LENGTH COUNTER SET I I- I (a l I a l Li M/M ›. E SET EMERGENCY STOP BOBBIN COUNTER SET 0 LEFT RIGHT B A -30-

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FLAP
SENSOR
SENSITIVITY
ADJUSTMENT
(BAS
-611,
BAS
-612)
<Adjusting
the
flap
sensor
sensitivity
>
1.
Set
MODE
selector
0
to
PROGRAM
and
set
the
seam
length
to
190
mm.
2.
Set
MODE
selector
0
to
MANUAL.
3.
Position
the
material
so
as
not
to
cause
wear
to
the
rubber
cushion
on
the
back
of
the
carriage
feed.
4.
Press
start
switch
0
.
Flap
sensors
0
(both
right
and
left)
will
start
monitoring
after
the
carriage
feed
is
moved
to
the
sewing
start
position.
5.
Move
the
carriage
feed
forward
by
hand
from
where
it
stopped
to
where
sensor
window
0
is
positioned
under
sensor
0
.
Adjust
the
sensitivity
as
described
under
"Sensitivity
adjustments"
on
the
next
page.
6.
Move
the
carriage
feed
from
position
A
to
B
(the
full
length
of
the
sensor
window)
by
hand
and
make
sure
that
FLAP
SENSOR
indicators
0
and
0
do
not
illuminate.
7.
When
adjustment
is
completed,
press
EMERGENCY
STOP
switch
0
.
The
carriage
feed
will
return
to
the
home
position.
MODE
t
r
-
SEAM
BOBBIN
`
,-
-
"•
LENGTH
COUNTER
SET
I
I- I
(
a l
AUTOMATIC
I
a l
Li
M/M
MANUAL
•
PROGRAM
›.
E
SET
•
KNIFE
CHANGE
&
CYCLE
PGM.
EMERGENCY
STOP
BOBBIN
COUNTER
SET
0
LEFT
RIGHT
B
A
-30-