Canon CanoScan FB1200S Product Manual page 23

To set the SCSI ID, move the 1-3 switches with a sharp object, such as the tip of a
mechanical pencil. Set the switch positions as below to assign a SCSI ID from 0 to 6.
Set the SCSI ID with switches 1-3
indicates the switch position
SCSI ID 0 SCSI ID 1 SCSI ID 2
SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6
To set the terminator ID, move the switch labeled 4. As shown below, the terminator is Off
when the switch is set to the upper side, and On when it is to the lower side.
The SCSI ID is set to 2 and the terminator is On when this equipment is shipped from the factory.
Terminator Off
Fourth switch is set to
the upper side
Set the switch to this side to turn it Off
Set the switch to this side to turn it On
Terminator On
Fourth switch is set to
the lower side
SCSI ID = 2
Terminator On
(Default factory setting)
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