In article xdSdnd6wvKHXv8rBnZ2dnUU7-
,
says...
However, there are some idiots who think they are extending the battery
charge by turning off sensor dust removal. That is a false economy.

First time I hear this. Could it be that they turn it
off to speed up the camera startup (in case the dust
removal happens when you switch on the camera)?
--
Alfred Molon

Olympus E-series DSLRs and micro 4/3 forum at
https://tech.groups.yahoo.com/group/MyOlympus/
https://myolympus.org/ photo sharing site