Samsung SP-M305 - Manual (Page 35)

2-18 Installation and Connection
2-18 Kensington Lock slot
The Kensington Lock slot allows you to lock your projector, providing a sense of security when you use it in a public place.
Because the shape and usage of the lock may differ depending on the model and the manufacturer, see the User Manual
supplied with the locking device for more information.
Locking the product
1. Loop the Kensington lock cable around an immovable part of desk or heavy object as directed in the Kensington lock user
manual.
2. Insert the locking part of the locking device into the Kensington lock hole in the projector.
3. Insert the Kensington lock key into the locking mechanism and turn it in the locking direction.
You can purchase a locking device from an electronics store or an online shop.