The Number Of Recordable Images Does Not Decrease, Or Decreases Two Images At A Time; The Product Does Not Work Properly - Sony ILCE-7RM2 How To Use Manual

The internal rechargeable backup battery has discharged. Insert a charged
battery, and set aside for 24 hours or more with the power left off.
[368] Troubleshooting
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.
[369] Troubleshooting
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.
[370] Troubleshooting

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-PW20 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.
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Troubleshooting
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