See the complete J3 schedule here: http://www.fwskiing.us/Competition/Schedule/J3.htm

To Clear -

Mode/Stop/Start – Together

To Sync -
Press MODE to enter time display
Press SET – to enter time of day. (Change flashing number using SPLIT/LAP
To move position press SET button
After time is set press MODE button
Press SPLIT/LAP and START/STOP together
(time will jump to next minute)
Press watches together on their START/STOP buttons starts everything

Timers are now synced.

Usage -
Use black button only
Record the bottom set of numbers