Sony Cyber-shot DSC-RX100 IV - Manual (Page 254)

set aside for 24 hours or more with the power left off.
[326] Troubleshooting Troubleshooting Others
The number of recordable images does not decrease, or
decreases two images at a time.
This is because the compression rate and the image size after compression change
depending on the image when you shoot a JPEG image.
[327] Troubleshooting Troubleshooting Others
Settings are reset even though resetting operation has
not been performed.
The camera settings may be reset if the battery pack is ejected while the power is on.
When ejecting the battery pack, first turn the power off and check that the access lamp is
not illuminated before ejecting.
[328] Troubleshooting Troubleshooting Others
The product does not work properly.
Turn off the product. Remove the battery pack and insert it again. If the product is hot,
remove the battery pack, and allow it to cool down before trying this corrective procedure.
If an AC-UD10/AC-UD11 AC Adaptor (sold separately) is used, disconnect the power
cord. Connect the power cord and turn on the product again. If the product repeats the
same error often or still does not work after trying these solutions, consult your Sony
dealer or local authorized Sony service facility.
[329] Troubleshooting Troubleshooting Others
A sound is produced when the product is shaken.