This appears when you attempt to modify settings or perform other such tasks while the SD memory card is being accessed. You can press the ESC key to clear the error.
Related Products & Solutions
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µR10000 & µR20000
The μR series are the compact industrial recorders with the recording widths of 100 mm (μR10000) and 180 mm (μR20000). Measured data can be saved to an SD memory card while recording on chart paper.