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H
S
RXD
T
0 0
1
0 0 0 0 0
B
L
H
TXD
L
H
CTS
L
H
RTS
L
H
DTR
L
H
DSR
L
t
: Less than 500 ms
1
t
: More than 1 word length
2
Sequence 5:
Sequence 6:
Sequence 5
P
S
S
P
S
S
B
P
T
0 0 0
1 1
0
1
0
B
P
T
1
0
1
0 0 0 0 0 0
B
B
B
B
The host computer sends the CONTROL command to the scanner again.
X'04', '58', '05', '94'
ACK for the CONTROL command is sent to the host computer.
X'FF'
Figure 6.6 Control command sequence (3/4)
t
1
P
S
S
P
S
B
P
T
0
0
1
0
1
0 0
1
B
P
B
B
B
S
T
1 1 1 1 1 1 1 1
B
Sequence 6
P
S
B
P
B
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