Lumel P30U series - Functions of Key Combinations

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5.3.2. Functions of key combinations
-holdforabout3seconds
clear alarm indication; this action works only when the alarm
indicationmemoryfunctionisswitchedon;
-holdforabout1second
clearsthemaximumvalueforthemeasuredvalue
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-holdforabout1second
clearstheminimumvalueforthemeasuredvalue
-holdforabout1second
unmounts the SD/SDHC memory card enabling safe removal –
fortransducerequippedwithanexternalSD/SDHCmemoryslot
-holdforabout1second
force start copying the archive from the internal memory into
the SD/SDHC memory card– for transducer equipped with
anexternalSD/SDHCmemoryslot
force start copying the archive from the internal memory
to the file system memory – for transducer equipped
with an Ethernet interface; this action enables downloading
current archive data files from the transducer via FTP protocol
 Push and hold the programming key
  for about
3seconds to enter the programming matrix.Theprogrammingmatrix
canbeprotectedwithasafetycode.
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