Logitech K811 Guide D'installation page 7

Switching among paired Apple devices
Logitech Bluetooth Illuminated Keyboard K811
1. To select an Apple device to use,
press the Bluetooth key (1, 2, or 3)
associated with it.
2. The light above the selected Bluetooth
key slowly blinks blue to show it is
connecting. Then it turns solid blue
for 5 seconds to confirm that the
Bluetooth connection has been made.
For example, if an iPad is paired with
the Bluetooth 2 key, press that key
to use the iPad with the keyboard.
Note: Only one Apple device can be active
at a time.
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