DP900 Wireless Drag system
Download DP900 (wireless) Quick Setup Guide
Download DP900-v961 Sept 29, 2022
Download DP900-v960 .. Aug 17, 2022
Download USB driver (cp2104) required to communicate with wireless box
This zip file contains a lot of stuff as shown below and can be confusing, please just run 
Trackmate Time Slip Printer How to Install
DP500-DP900 Manual covers Wired and Wireless systems
Older Versions of the Software
Dowload DP900 Version 9.59 July 27, 2022
Download DP900 Version 9.58 June 29, 2022
Download DP900 Version 9.57 June 25,2022
Download DP900 Version 9.56 June 7, 2022 Fixed wireless remote start,
Auto Pairing of Racers
this is a paid option
Youtube Video on how to use the Bracket which is for auto pairing of racers
This is an add-on, You should also watch video to see how names and cars are added.