> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/anlagenkonfiguration/einheiten/wl_einheiten.md).

# Toolbar icons

<table><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td>Icon</td><td>Meaning</td><td>Execution</td></tr><tr><td><img src="/files/bkLCOtiazNRn2TRqrwH0" alt="" data-size="original"></td><td>Cut</td><td>Cut an object</td></tr><tr><td><img src="/files/UuKeYKMLMgn7r9secC4c" alt="" data-size="original"></td><td>Copy</td><td>Copy an object</td></tr><tr><td><img src="/files/CJARoMMt5X1eYbgTl9iP" alt="" data-size="original"></td><td>Paste</td><td>Paste a cut or copied object</td></tr><tr><td><img src="/files/3NyKydc7tfWtPux3fIEI" alt="" data-size="original"></td><td>Delete</td><td><p>Delete the selection</p><ol><li>Background data compression</li><li>Compression of variable time ranges on request from the ACRON <a href="/pages/R8oBsYn2ST2J51LoHvwo#berichte">Reporter</a></li><li>Deletion of temporary files</li><li>Optimization of database in terms of size and access speed</li><li>Checking of hard disk space</li><li>Deletion of plant data beyond the archiving time limit.</li></ol><p>NoteReferenced objects cannot be deleted.Exception: Usage in input masks, reports and diagrams does not block deletion.</p></td></tr><tr><td><img src="/files/YRBmzRhfUUjlMZdU8xcv" alt="" data-size="original"></td><td><p>Category</p><p>Unit</p></td><td><p>Create a user-specific category</p><p>Create a user-specific unit</p></td></tr><tr><td><img src="/files/5NEJpXp0vf38MPLQc5wR" alt="" data-size="original"></td><td>Replace unit</td><td><p>A user-defined unit can be replaced by a unit from the ACRON units system.</p><p><br></p><p>:</p><pre><code>The units used in a plant, such as [KWh] or [cbm], can be replaced by the
ACRON
units [kWh] and [m³].
</code></pre><p>NoteWhen updating, all units used in the plant that are not found in the ACRON units system are created as user-defined units under 'Miscellaneous units'.These units can be moved to the appropriate category as appropriate, and assigned a factor/offset (relative to the base unit).</p></td></tr><tr><td><img src="/files/hYGSjU7PTAmc6UB8LyBp" alt="" data-size="original"></td><td>Export...</td><td>Export of the units to a .csv file.</td></tr><tr><td><img src="/files/Rd4rFVfQighfx7Tk3qLE" alt="" data-size="original"></td><td>Import</td><td><ul><li><p>Units from file...</p><p>Selective import of units from a .csv file.</p><p>NoteOnly individual existing units are overwritten and/or moved after a prompt.</p></li><li><p>Units from plant...</p><p>Selective import of units from other plants.</p><p>NoteOnly individual existing units are overwritten and/or moved after a prompt.</p></li></ul></td></tr><tr><td><img src="/files/ZKpv8M4WoCDDQHcPXMp8" alt="" data-size="original"></td><td><a href="/pages/jLAgXlzaM2c9wHfuDyXb">References</a>...</td><td>Overview of the usage of a unit</td></tr></tbody></table>


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