When Applying Codes to the V200n, You must first Connect the unit to your computer using a CAN to USB adapter. At this time, Hemisphere recommends the Peak Connect PCAN Adapter.
Once connected, you will need PocketMax 4.0.0.2 or newer, Available for download here: PocketMax 4.0.0.2 Download
Once Installed, open PocketMax and select the CAN to USB connection method at 250 kbps, and connect.
Once Connected, Select the "About" Tab and enter the code in the "Subscription Code" Field and select "Update."
Once you select update, the code will be applied immediately and will reflect in the Subscriptions field at the top of the page.