Samsung NV24HD Service Manual page 49

Ⅳ. FIRMWARE
Note
Factory Reset All initializes the following items.
① Settings in the OSD Screen (ISO, Fno, Shutter Speed, AF Mode...)
② OSD Language
③ Date/Time
④ Setup Mode Setting
Factory Reset All automatically formats the internal memory.
Therefore, this function deletes all the data saved in the internal memory.
In principle, you have to run "Factory Reset All" after firmware upgrade.
(When the camera restarts after firmware upgrade, it automatically enters the Factory Reset All mode.)
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