Sony ILCE-7S - Manual (Page 44)

Functions that can be selected using the MENU button
GB
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*1 Only for 1080 60i compatible models.
*2 Only for 1080 50i compatible models.
If you switch this item, it will be required to format the memory card in the setting
compatible with the PAL or NTSC system respectively. Also, note that it may not
be possible to play back movies recorded with the NTSC system on a PAL system
TV.
*3 Overseas model only.
Certification Logo* 3 The certification can be displayed on the camera.
Setting Reset Restores settings to their defaults. Select [Initialize] to restore
all settings to their default values.
(Initialize/ Camera Settings Reset)