Real-Time Imager Status - CognitiveTPG A776 Programming Manual

Value Definition
Decimal
8
9
10
11
12
16
17
18
19
m Active Scanning command entry points: 0=no outstanding scan; 1=slip entry; 2=top entry;
3=waiting at both
n Sensors currently covered / closed: none = all bits off; bit0 = imager rear detect; bit1 = imager front
detect; bit 2 = imager cover; bit 3 = cassette cover; bit5= upper slip detect; bit6= lower slip detect
pLpH The File Index to be used by the next scan
rLrH Remaining space count of typical document scans to fit in image buffer free space
Description: This returns the state of the imaging unit. The return byte definitions given above are used in several
other command returns as well.

Real-Time Imager Status

Hexadecimal: 10 04 07
Parameters: None
Return: 1 byte to be interpreted as follows:
Bit Meaning
0 Fixed to 0
1 Fixed to 1
3,2 00 not waiting for document to scan; 01 waiting for document slip entry point; 10 waiting for
document at front entry point; 11 waiting for document at either entry point
4 Fixed to 1
5 1 = rear image sensor covered
6 1 = front image sensor covered
7 Fixed to 0
Description: This immediately returns one byte of imager status.
A776-PG00001 C 12/09
Meaning
No stored document
Bottom side only
Top side only
Internal interface timeout error
Internal interface other error
No bottom image
No top image
Unsupported format
Tag block full
Chapter 5: Programming commands
A776 (B780) Programming Guide
137