Archos LOGIC INSTRUMENT FIELDBOOK F57G2 Guide De Démarrage Rapide page 18

WARNING
Before placing the cover, make sure that the latch is in the
position OPEN.
Make sure the cover is in place and properly closed before
using your Fieldbook F57G2 device.
Never use a battery other than an original Logic
Instrument Fieldbook F57G2 battery.
Make sure you are in a clean and dry environment when
the back cover is open.
Never insert a damaged, defective, dirty or wet battery into
the Fieldbook F57G2 device.
V. Starting up the device and using the
power button
Start
Press the power button to start your device
Shutdown or restart
Long press the power button to display options to shut down
or restart the device
Lock
Briefly press the power button to lock the device and turn off
the screen.
Forced restart
To force restart the device, press the power button for 10
seconds
18