Anti-Flicker; Video Compression; Time And Date; Date Format - GoPro Hero 8 Black User Manual

Setting Your Preferences
QuikCapture
QuikCapture is on by default. You can turn it off here. It can also be
toggled on or off using the Dashboard.
Default Preset
Set the preset your GoPro captures in when you turn it on using the
Mode button . This setting does not affect QuikCapture.
Auto Power Off
Choose 5 Min, 15 Min (default), 30 Min, or Never.
LEDs
Set which status lights blink. Choose All On (default), All Off,
or Front Off Only.

Anti-Flicker

Choose the regional frame rate for recording and playback on a TV. Set
60Hz (NTSC) for North America. Try 50Hz (PAL) if you're outside of
North America. The right format for your region will help prevent flicker
on a TV/HDTV when you play back video that was recorded indoors.

Video Compression

Set the file format for your videos. Choose HEVC (to reduce file sizes) or
H.264 + HEVC (to use H.264 to maximize compatibility with older devices
while using HEVC for advanced settings).

Time and Date

Use to manually adjust the time and date. Both are automatically updated
when you connect your camera to the GoPro app.

Date Format

This is set automatically based on the language that you chose at setup.
You can also change it manually here.
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