DModSyncvLpos.spt is used to ensure that the range finder electronics is performing correctly. This script must be run with the head over a plate, with the reflectivity and receiver gain set correctly.

A typical output is shown in Example Graph 1. All of the lines should come together around DModSync = 20 to 30, and the difference should be between -100 and 100. Ideally, the maximums and minimums around DModSync = 70 should align. The optimal value of DModsync occurs at this location. The FVDelay.spt script should be used to accurately set DModSync.