You can tap a paper button to turn the smartpen's WiFi radio off or on.
The smartpen tells you the current status and then prompts you to change it. To leave the current status unchanged, tap anywhere on unwritten Livescribe Dot Paper.
If the radio is currently on, it will be turned off. If the radio is currently off, it will be turned on. The smartpen screen displays the new status: WiFi is OFF or WiFi is ON.