SwissMicros DM42 - F-Buttons and Display Features; LCD Screenshots; OFF Images

F-Buttons
The top row of keyboard consists of six unprinted buttons referenced as F-Buttons (F1-F6) or Soft-
Menu Buttons. When no calculator menu is in action those buttons have following functions:
F1
Displays the Help. Note that the /HELP/index.htm file has to be present. The latest version can be
downloaded from the DM42 help page.
F2
Toggle this system soft menu visibility.
F3
(not assigned)
F4
Increase buzzer volume
SHIFT-F4
Decrease buzzer volume
F5
Toggle stack alignment (Left, Right, Right Underlined)
SHIFT-F5
Toggle between sans and HP font
F6
Increase font size
SHIFT-F6
Decrease font size
LCD Screenshots
Hold [ SHIFT ] and press [ DISP ] to get a screenshot.
You will find a .bmp file named according to the current time and date in the /SCREENS folder of
the FAT drive.
OFF Images
The LCD display used in DM42 calculator behaves in similar way as e-ink displays and contents of
the LCD is visible for a long time after the calculator is turned OFF.
This feature is used to display images when the calculator is turned OFF.
Single hard-coded OFF image is present in calculator firmware and this image is displayed
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