W SDR icon on LCD when reviewing photos

[Yaniel]

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Does anyone know what the W SDR icon when reviewing photos on the LCD represents?  Some photos have it and others don’t but I can’t determine what setting changed between the shots. 

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[elmars]

SDR is an abbreviation from M11 Monochrome and means Smart Dynamic Range. This controls the contrast range of JPG for high contrast subjects (settings weak or strong). Perhaps this indicates that this will soon be enabled for the normal M11 as well.

[Yaniel]

Thank you for the response. This is on an M11M, I didn't point that out because I incorrectly assumed it would've been on both cameras.  I also realize now that it only appears on photos where I shot DNG+JPEG but it wasn't immediately obvious because the preview doesn't indicate a JPEG exists if it's not stored in the same location as the DNG. Sometimes I store the DNG and JPEG to the same location and others I store one to internal memory and the other to the SD card. 

Strange that this feature isn't mentioned in the M11M manual.