Lenovo TAB S8-50 Guide De Démarrage Rapide page 6

Starting to use your Lenovo TAB S8-50
Before using your Lenovo TAB S8-50, you might need to charge the battery.
Charge the battery as shown.
Connect your Lenovo TAB S8-50 to a power outlet using the included cable and USB
power adapter.
Low battery
Turning on/off
Taking screenshots
Press and hold the On/Off button and the volume down button at the same time.
Fully charged
Turn on: Press and hold the On/Off button until the
Lenovo logo appears.
Turn off: Press and hold the On/Off button for a few
seconds, tap Power off and then tap OK.
Charging