Panasonic Lumix DC-G100 Operating Instructions Manual page 49

• If the camera is used without setting the clock, it will be set to 0:00:00, 1st
January, 2020.
• Clock settings are maintained for approx. 3 months using the built-in clock
battery even without the battery.
(Leave the fully-charged battery in the camera for approx. 24 hours to
charge the built-in battery.)
• [Clock Set] can be changed from the menu:
– [ ] [Clock Set]
2. Getting Started
49