Right after the Digital Tablet connect to your computer,
you can see the Tablet Icon 
, showing on the System tray, when you tap the digital pen on the Active area you should see the LED light flashing.
, showing on the System tray, when you tap the digital pen on the Active area you should see the LED light flashing. 2. Pen Pressure Sensitivity
When you open Tablet Icon , and click "Pressure" to test pressure sensitivity, which values from 0 to 2048 or 8192 depending on the model of your tablet.
, and click "Pressure" to test pressure sensitivity, which values from 0 to 2048 or 8192 depending on the model of your tablet. 
Note:If the displayed Pressure Value does not vary as you press Pen Tip, it means the driver s not installed properly.