Nikon 1546 User Manual (en)

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If On is selected, photographs taken at shutter speeds slower 
than 8 s will be processed to reduce noise. The time required for 
processing is roughly equal to the current shutter speed; during 
processing, “
l m” will blink in the viewfinder and 
photographs can not be taken. In continuous release mode, 
frame rates will slow and the capacity of the memory buffer will 
drop. Noise reduction will not be performed if the camera is 
turned off before processing is complete.
Photographs taken at high ISO sensitivities can be processed to reduce “noise.”
Long Exp. NR
G button
➜ C shooting menu
High ISO NR
G button
➜ C shooting menu
Option
Description
High
Noise reduction is performed at ISO sensitivities of ISO 800 and higher. While 
photographs are being processed, the capacity of the memory buffer will 
drop. Choose the amount of noise reduction performed from HighNormal
and Low.
Normal 
Low
Off
Noise reduction is only performed at sensitivities of Hi 0.3 and higher. The 
amount of noise reduction is less than the amount performed when Low is 
selected for High ISO NR.