If the amount of defective pixels in the image is comparatively small and accurate correction is needed, you can correct these pixels manually.
Steps
1. Go to Configuration → Image → DPC.
2. Select the thermal channel.
3. Select manual mode.
4. Click the defective pixel on the image, then a cursor shows on the live view.
5. Click Up, Down, Left, Right to adjust the cursor position to the defective pixel position.
6. Click 
, then click 
to correct defective pixel.
Note
If multiple defective pixels need to be corrected, click after locating a defective pixel. Then after locating other pixels, click to correct them simultaneously.
7. Optional: Click 
to cancel defective pixel correction.