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Chapter 5: Programming commands 137
A776-PG00001 C 12/09 A776 (B780) Programming Guide
Value Denition
Decimal Meaning
8 No stored document
9 Bottom side only
10 Top side only
11 Internal interface timeout error
12 Internal interface other error
16 No bottom image
17 No top image
18 Unsupported format
19 Tag block full
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 o; 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 t in image buer free space
Description: This returns the state of the imaging unit. The return byte denitions 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.