Epson Stylus Scan 2500 Daily Use page 53

To select the application you wish to launch with the Scan button,
either click the ] Scan button icon (lower left), or select it from
the menu. The Scan button mark will be displayed next to the
selected application.
Note:
Picture shows the Window screen.
Setting up EPSON Scanner Monitor
]
EPSON Scanner Monitor is software that recognizes when the
Scan button is pressed and sends information to an assigned
application which supports the Scan Button feature and EPSON
Scanner Monitor, such as EPSON SMART PANEL.
Once EPSON TWAIN is installed, EPSON Scanner Monitor is
active and identifies EPSON SMART PANEL as the application
that allows you to use the Scan Button feature. If you need to turn
off Scanner Monitor, or select another application that supports
the Scan Button feature, access Scanner Monitor as described
below.
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