Troubleshooting Digitrax DT402 Throttle
According to the Digitrax website, a small number of DT402 throttles (402 Walkaround as well as 402R and 402D's) were shipped without the ability to address the upper function range (F13-F28). Consequently, the affected throttles will not have access to the features occupying those F codes on M.T.H. HO locomotives unless the user updates the throttle's software and firmware. Updates are available directly from the Digitrax website at no charge. Users will find the updates by visiting the DT402 Support Page.
