Sony DSC-RX100 How To Use Manual page 101

Menu item details
On:
Activates noise reduction for the same duration that the shutter is open. When noise
reduction is in progress, a message appears and you cannot take another picture. Select this
to prioritize the image quality.
Off:
Does not activate noise reduction. Select this to prioritize the timing of shooting.
Note
Noise reduction may not be activated even if [
following situations:
The shooting mode is set to [Sweep Panorama].
[Drive Mode] is set to [Cont. Shooting], [Spd Priority Cont.] or [Cont. Bracket].
The shooting mode is set to [Scene Selection] and [Sports Action], [Hand-held Twilight] or [Anti
Motion Blur] is selected.
The ISO sensitivity is set to [Multi Frame NR].
You cannot set [
[Intelligent Auto], [Superior Auto] or [Scene Selection] (excluding [Sports Action], [Hand-
held Twilight], and [Anti Motion Blur]).
Depending on the shooting conditions, the camera may not perform noise reduction, even
if the shutter speed is 1/3 second(s) or longer.
[109] How to Use
High ISO NR (still image)
When shooting with high ISO sensitivity, the product reduces noise that becomes more
noticeable when the product sensitivity is high. A message may be displayed during noise
reduction processing; you cannot shoot another image until the message disappears.
1. MENU →
Menu item details
High:
Activates high ISO noise reduction strongly.
Normal:
Activates high ISO noise reduction normally.
Low:
Long Exposure NR] to [Off] when the shooting mode is set to
Using shooting functions
(Camera Settings) → [
Long Exposure NR] is set to [On] in the
Setting the other functions of this product
High ISO NR] → desired setting.