Transponders can be recorded against your profile. Transponders can then be selected from a dropdown list when registering to an event. Transponders are registered against the vehicle so you will see all transponders of vehicles you own or are borrowing.
Adding a Transponder
Go to the Vehicles tab and click Transponders. One the pop-up screen click Add New. Select the Type, type in the transponder identifier and the vehicle that this transponder is used.
Removing a Transponder
Go to the Vehicles tab and click Transponders. One the pop-up screen click Remove.