Sony ILCA-99M2 - Manual (Page 409)

[443] If you have problems
Troubleshooting
If you experience trouble with the product, try the following solutions.
Copyright Info (Set Copyright)
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Copyright Info (Disp. Copyright Info)
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Format
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File Number Series
Set File Name DSC
Select Rec. Media Slot 1
Recording Mode Standard
Select REC Folder
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New Folder
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Folder Name Standard Form
Recover Image DB*
* This is not performed even when you select [Camera Settings Reset]
or [Initialize].
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Display Media Info.
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Version
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Certification Logo
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Setting Reset
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Remove the battery pack, wait for about one minute, re-insert the battery pack, then
turn on the power. 1
Initialize the settings. 2