SCAMAX
®
2600/4000
Tech. Manual 06/2002
T-8
2 SYSTEM COMPONENTS
2.1 SCAMAX 2600 with video interface
Documents are illuminated and scanned inside the SCAMAX 2600. The picture information is digitised
and then sent to the external PC as an 8-bit parallel bitonal video signal for each side (front and back
respectively) via the video interface. Compression, image manipulation and storage 9in TIFF-G4 format
takes place in the PC.
Scan module 1 is used to scan the front of each document.
Scan module 2 (present in the duplex scanner model) is used to scan the back of each document.
For difficult documents, like handwriting or coloured paper with low contrast, a DTplus board can be
installed for each scan module. This enhances image quality greatly.
Image information is transmitted digital bitonal (black&white) from the scanner’s video interface to the
video board (f. ex. HISCAN or dunord board) in the scan PC. A separate control cable for communication
purposes is fitted.
The PC’s scan controls the video board via appropriate drivers, which in turn controls the scanner.
2.2 SCAMAX 2600 with SCSI interface
In a SCAMAX 2600 with SCSI interface the bitonal image data and all commands are transmitted via a
SCSI cable.
The scan PC must be fitted with a SCSI controller (f.ex. ADAPTEC 2940 AU). The scan application
(client) controls the scanner via the Twain or ISIS driver supplied.
Scanner S26/S40
Scan PC
Scanner
module 1
Controller
Board
&
Video-
interface
Scanner
module 2
Scanner
Interface
Driver
Application
Video
V 24
8 bit parallel
Содержание SCAMAX 2600
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