Contex Wide Format Color Operator's Manual page 15

Installation
3.7.2 Step 2: Install the SCSI driver software
SCSI driver installation will be dependent on your Windows operating
system. Follow the instructions for your operating system described in
the SCSI driver documentation.
3.7.3 Step 3: Connect the scanner to the PC
1. Be sure to disconnect the power cable from the scanner. If power
runs through the scanner at this point it may damage your SCSI
host adapter.
2. The SCSI connectors are accessed from the back of the scanner
and found underneath the left side (when facing the back).
3. Connect the SCSI cable that came with your scanner to one of the
two SCSI connectors. The extra connector is for daisy-chaining
another device to the system.
4. After the SCSI cable has been inserted in the connector the
power cable can be inserted into the scanner and plugged in.
3.7.4 Step 4: Set the scanner DIL-switches
The DIL-switches are used for setting up of the scanner's SCSI
connection ports, and for selection of the scanner test mode and the
scanner forced boot start up mode.
The DIL-switches are set from the factory to default settings that apply
to most common configurations so usually you will not have to change
them. Best scanning performance is obtained with only one device on
the SCSI bus. However, if your configuration requires more than one
device on the bus, you may need to change the DIL-switch settings.
The factory default DIL-switch settings and the DIL-switch Value table
are shown on the following page. Use the table and the following
instructions for each switch to determine your DIL-switch settings if
you need to change them.
Before proceeding with setting the switches you must turn the
scanner power off. Removing and inserting the Smart Card (see
below) while power is on can damage the scanner.
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