Sony Cyber-shot DSC-RX100 IV - Manual (Page 189)

Format
Formats (initializes) the memory card. When you use a memory card with this product for the
first time, it is recommended that you format the card using the product for stable
performance of the memory card. Note that formatting permanently erases all data on the
memory card, and is unrecoverable. Save valuable data on a computer, etc.
1. MENU
→
(Setup
) → [Format].
Note
Formatting permanently erases all data including even protected images.
[200] How to Use Changing settings Setup menu
File Number
Selects how to assign file numbers to recorded still images and MP4 movies.
1. MENU
→
(Setup
) → [File Number] → desired setting.
Menu item details
Series:
The product will assign numbers to files sequentially up to “9999” without resetting.
Reset:
The product resets numbers when a file is recorded in a new folder and assigns numbers to
files starting with “0001.”
(When the recording folder contains a file, a number one higher than the largest number is
assigned.)
[201] How to Use Changing settings Setup menu
Select REC Folder
You can change the folder on the memory card where still images and MP4 movies are to be
recorded.