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Keyboard Details and Functionality
The scroll keys scroll between options
in the main menu page
The menu key accesses the menu
page from idle/default screen
The red key cancels the procedure
in progress
The yellow key cancels the
last character
The green key validates input
selections and information. It is also
used to switch on the terminal.
The feed key will eject the thermal
paper a few centimeters over the
tear line, if pressed for more than
two seconds
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