/HELP
Contains help file(s) for built-in DM41X help that can be activated from CST menu.
/KEYS
Contains files with Custom Menu key mappings.
/MODS
Default directory for module files.
/OFFIMG
Bitmap files from this directory are displayed when the calculator is turned off. See OFF Images
chapter for more details.
/PROG
Raw files with programs are loaded/saved from/to this directory.
/RAM
Contains saved RAM pages see section RAM pages for more details.
/SCREENS
Screenshots of calculator LCD are saved into this directory. See LCD Screenshots for more
details.
/STATE
Calculator state files with extension .d41 are stored in this directory. See Load State or Save State
how the load or save calculator state.
2.5. Keyboard Overlays
Extruded rim of the DM41X allows the use of keyboard overlays.
Template for the keyboard overlay with dimensions can be found at
http://technical.swissmicros.com/graphics/key_overlay_DM42.PDF
2.6. Battery
The calculator uses a single CR-2032 Lithium 3V battery. It is not rechargeable, therefore it has to be
replaced when depleted.
Please remember it is always wise to make calculator data backup before battery
replacement. Use USB power during data backup if possible.
You can power calculator from USB during battery replacement.
To change the battery:
• remove the 2 screws on the upper rear of the case,
4
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