-38-
-2-2 SR-307 compatible mode
A jam error (32H) is assumed for the DF error.
9-C Device Control Setting Commands
-1
DC3 B Command (Buzzer Control Command)
[Explanation]
This command is for setting whether to sound a buzzer when no card exists or an error occurs.
The initial value after the power is turned on is set to flash the red LED three times and then turn the
light off without sounding a buzzer when no card exists (N = 0).
[Format]
Host Computer
DC3
B
N
CR
(13H) (42H)
(0DH)
The value of N determines the setting.
N = 0: The red LED flashes three times without sounding a buzzer when no card exists.
N = 1: The red LED does not come on but a buzzer goes off when no card exists.
N = 2: The red LED flashes three times without sounding a buzzer for all types of errors.
When no card exists
e
d
o
C
X
E
H
n
o
i
t
a
n
a
l
p
x
E
0
H
0
3
.
y
l
l
a
m
r
o
n
t
n
e
s
n
e
e
b
e
v
a
h
s
d
r
a
C
1
H
1
3
.
d
e
s
u
t
o
N
2
H
2
3
)
.
y
l
l
a
m
r
o
n
t
n
e
s
n
e
e
b
t
o
n
e
v
a
h
s
d
r
a
c
(
r
o
r
r
e
m
a
J
3
H
3
3
.
d
e
s
u
t
o
N
4
H
4
3
r
o
r
r
e
k
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a
m
g
n
i
m
i
T
)
.
d
e
t
c
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t
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d
s
k
r
a
m
g
n
i
m
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t
s
s
e
l
r
o
3
y
l
n
o
(
5
H
5
3
y
t
p
m
e
d
r
a
C
)
.
r
e
p
p
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h
d
r
a
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t
n
i
d
r
a
c
o
n
s
i
e
r
e
h
T
(
0
=
N
1
=
N
2
=
N
r
e
z
z
u
B
.
f
f
o
s
e
o
g
t
o
N
.
f
f
o
s
e
o
G
.
f
f
o
s
e
o
g
t
o
N
D
E
L
r
e
t
f
a
f
f
o
s
e
m
o
C
.
s
e
m
i
t
3
g
n
i
h
s
a
l
f
.
n
o
s
e
m
o
c
t
o
N
r
e
t
f
a
f
f
o
s
e
m
o
C
.
s
e
m
i
t
3
g
n
i
h
s
a
l
f
0
=
N
1
=
N
2
=
N
r
e
z
z
u
B
.
f
f
o
s
e
o
G
.
f
f
o
s
e
o
G
.
f
f
o
s
e
o
g
t
o
N
D
E
L
.
n
o
s
e
m
o
C
.
n
o
s
e
m
o
C
.
s
e
m
i
t
3
s
e
h
s
a
l
F
When an error occurs
9.Control Commands
