Samsung Galaxy Tab S9 User Manual page 115

Apps and features
Connecting devices and starting Samsung DeX
Connecting to the Keyboard Cover
Use your tablet like a computer by connecting the Keyboard Cover.
Attach the device's keyboard dock port so that it connects to the Keyboard Cover's
connector.
When you tap Start, the Samsung DeX screen will appear.
To set the device to switch to Samsung DeX automatically when connecting the
•
Keyboard Cover, open Settings, tap Connected devices → Samsung DeX, and
then tap the Auto start when Book Cover Keyboard is connected switch to turn
it on.
While using the Keyboard Cover, you can launch Samsung DeX with a simple key
•
combination (Fn + DeX).
You can also launch Samsung DeX from quick settings without Keyboard Cover.
•
Swipe downwards on the notification panel and tap
To use the device upright, attach the backside of the Keyboard Cover to the back
•
of the device.
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(DeX).