Avision AV880C - Manual (Page 28)

4-4
Scannning Source:
The document scanner scans three types of source, the document
as well as the ADF and ADF/Multipage. Select either one from the
source box of the screen of Avision TWAIN user interface for your
own purpose. Please see Figure 4-3 as shown below:
Figure 4-3 Scanning Source