Deyi TC-8200 - Operation Description - System Settings; Time, Shutdown, and Interval Settings; Language and Factory Reset

Time Rev: Button to enter the time setting menu, press again The button can
be shifted,
The button can modify the time, press enter Button to
confirm the modification, press again
Button to exit modification，once
again
Button and return to the main interface.
Auto shutdown: Button to select OFF (no automatic shutdown) / 15
minutes / 30 minutes / 45 minutes / 1 hour / 2 hours / 4 hours / 8 hours.
Record interval: Button to enter the recording interval setting,
press
Button to select the time recording interval, press when
finished
Button to exit the interval interface, press again Button, then
press
Button to return to the main interface
Language settings: Button to switch Chinese/English
Factory settings: Button to enter to restore the original factory
parameter settings.
Press again Button to confirm reset， Button to exit reset.
After reset, all will be restored to factory parameters.