Canon DR-5020 Instructions Manual page 21

Chapter 1 About DR-5020/5080C
(3)Mode Selection key
Select the document scanning mode. ("Black and white/Black and white error
diffusion")
Text: This is lighting, when scanning the text documents (including mostly
characters) with black and white mode.
Picture: This is lighting, when scanning the picture documents including
photographs with black and white error diffusion mode.
If any applications are set with gray scale mode or color mode for the image
selection, either of above will not be lighting.
(4)Brightness key
Sets the brightness when the document is scanned.
To automatically adjust the brightness, press the
To manually set the brightness, press the
move the indication on the key indicator to adjust the brightness. (Moving the
indicator to the right increases the brightness, and to the left decreases the
brightness. The brightness can be adjusted in 13 steps.)
If you press the
automatic adjustment level is adjusted.
In the Count Only mode, you can set the count start value with the
keys.
(*) Brightness can be automatically adjusted only when brightness is set to
"Auto" in the scan condition setup on the application and the scan mode is
set to "Black and White".
If the scan mode is other than "Black and White" and brightness is set to
"Auto", the
brightness is set. Brightness is not adjusted automatically in this case.
(5)Counter display
Displays an error code or the number of pages in the scanned document.
(6)Feeding Option key (P.39)
Selects the document feed mode.
Each press of the Feeding Option key changes the lamp indication on its left
cyclically as follows:
OFF (Remote Mode)
(Remote Mode)
Remote:
Semi-Auto: The scanner feeds the document when you press the Start key
Auto:
Manual:
18
or keys with the
key will not light, and the default (indicator center value)
[Semi-Auto]
The three lamps to the left of this key are all out. The document is
fed when the scanner receives a scan start instruction from the
computer.
after loading the document.
The scanner automatically feeds the document when you load the
document.
Manually load the document one sheet at a time.
key to light
or keys with the
key lit to adjust the indicator, the
[Auto] [Manual]
.(*)
key out, and
or
and back to OFF