FUJITSU M3097G - Manual (Page 81)

4.4.8 SET SUBWINDOW command
The following table shows the normal sequence of the SET SUBWINDOW command
when used with this scanner.
Step Bus phase Initiator operation ¨Æ Target operation
1 BUS FREE Verifies bus free
2 ARBITRATION Obtains bus>usage
right
3 SELECTION Selects target Æ
Drives BSY signal
4 MESSAGE OUT Selects logical unit Æ
5
6
COMMAND
DATA OUT
Specifies SET
SUBWINDOW
(CDB)
Specifies
subwindow data
Ж
Ж
Sets subwindow
7 STATUS ¨ Reports GOOD status
8 MESSAGE IN ¨ Reports message
(Command Complete)
Releases BSY signal
9 BUS FREE
4 $ 56