TSD Rally Clock

The TSD Rally Clock allows you to synchronize to the Official Rally Time by making adjustments in increments of +/– 0.1seconds to account for total errors of as much as + or – 10 seconds. Touch the Lock icon to make clock adjustments. Adjust time ahead or behind as needed and, when finished, touch the Unlock icon to prevent unintended adjustments. Touch the double Arrows singly or continuously to make adjustments in +/– 0.1 second increments. When unlocked a chime will sound at 0 seconds and 3