Casio EX-843 Service Manual page 8

(2) Shutdown procedure
There are two ways to shut down.
0Shutting down by the power switch
Press and hold the power switch until "Power off" / "force tablet reboot" appears.
Select "Power off"
Fig. 3
0Shutting down by the maintenance switch
Press and hold the maintenance switch until "Pwer off" appears.
Fig. 5
"OK".
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V-R200 / VER.1
Fig. 4