Epson PERFECTION 1640 SU Reference Manual page 33

The Manual mode allows you to make detailed settings. You can
set parameters for a setting or select special functions provided
with EPSON TWAIN to attain the highest quality scanned
images.
Note:
❏ Online help also provides you with information on settings. Click
Help to access the online help.
❏ You cannot scan an image which exceeds the available memory or
disk space. If you try to scan a very large image, an alert appears on
the screen.
❏ Before scanning, be sure to calibrate your screen. For details, see
"Calibrating Your Screen" on page 4-2.
❏ After an image is scanned, be sure to save or export it.
Scanning Basics
2-9