Brother International MD-817 Service Manual - Page 26

Explanation, switch

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Explanation DIP switch DIPC & DIPD of NBN DIPC 1 ON OFF *1 ON *1 OFF *1 ON *1 Tension re lease OFF OFF setting at the 0 10 20 30 start of sewing ON 2 - OFF OFF ON ON OFF 3 Condense mode ON Condense mode (sett ing by needle number) OFF none 4 Slowdown control ON Normal ly slowdown (usual slowdown) OFF Fix time of inching period on slowdown Continuous backta- ON 5 ck sel ection OFF A, B sewn repeatedly D times A.B.C.D ABCD+10 cont inuous ON 6 backtack OFF 10 stitches added to the display A,B,C,D Seam A, B, C, D sewn as displayed Start condense 7 se lect ion ON Stops when treadle is returned to neutral posi tion OFF Sews to end of condensation when tread le is in ne- utral posi t ion Condense se lect 8 at correction by actuator switch ON Condense by actuator OFF none DIPD 1 Mode select ion ON Parameter setting mode OFF Normal ly sewing mode 2 Reserved Normal ly OFF 3 Reserved Normal ly OFF 4 Reserved Normal ly OFF 5 Reserved Normal ly OFF Sewing d irect ion ON 6 at finished and s- topped start B.T. OFF Stopped as reverse direct ion at f inished B Stopped as normaly direction at f inished B B+1 start B.T. or ON 1 stitch added to the displayed B seam length 7 cont inuous B. T. OFF Seam B sewn as displayed 8 D+1 end backtack ON 1 stitch added to the displayed D seam length OFF Seam D sewn as displayed *1 :The described number is the pulse from the first need le down position after thread trimming. (24pulse/round) -22-

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Explanation
DIP
switch
DIPC
&
DIPD
of
NBN
DIPC
1
Tension
re
lease
OFF
setting
at
the
start
of
sewing
ON
OFF
OFF
*1
0
ON
*1
10
OFF
*1
20
ON
*1
30
2
ON
-
OFF
OFF
OFF
ON
ON
3
Condense
mode
ON
Condense
mode
(sett
ing
by
needle
number)
OFF
none
4
Slowdown
control
ON
Normal
ly
slowdown
(usual
slowdown)
OFF
Fix
time
of
inching
period
on
slowdown
5
Continuous
backta—
ck
sel
ection
ON
A,
B
sewn
repeatedly
D
times
OFF
A.B.C.D
6
ABCD+10
cont
inuous
backtack
ON
10
stitches
added
to
the
display
A,B,C,D
OFF
Seam
A,
B,
C,
D
sewn
as
displayed
7
Start
condense
se
lect
ion
ON
Stops
when
treadle
is
returned
to
neutral
posi
tion
OFF
Sews
to
end
of
condensation
when
tread
le
is
in
ne—
utral
posi
t
ion
8
Condense
se
lect
at
correction
by
actuator
switch
ON
Condense
by
actuator
OFF
none
DIPD
1
Mode
select
ion
ON
Parameter
setting
mode
OFF
Normal
ly
sewing
mode
2
Reserved
Normal
ly
OFF
3
Reserved
Normal
ly
OFF
4
Reserved
Normal
ly
OFF
5
Reserved
Normal
ly
OFF
6
Sewing
d
irect
ion
at
finished
and
s—
topped
start
B.T.
ON
Stopped
as
reverse
direct
ion
at
f
inished
B
OFF
Stopped
as
normaly
direction
at
f
inished
B
7
B+1
start
B.T.
or
cont
inuous
B.
T.
ON
1
stitch
added
to
the
displayed
B
seam
length
OFF
Seam
B
sewn
as
displayed
8
D+1
end
backtack
ON
1
stitch
added
to
the
displayed
D
seam
length
OFF
Seam
D
sewn
as
displayed
*1
:The
described
number
is
the
pulse
from
the
first
need
le
down
position
after
thread
trimming.
(24pulse/round)
—22—